116437428 has 18 divisors (see below), whose sum is σ = 294328034. Its totient is φ = 38812464.

The previous prime is 116437411. The next prime is 116437429. The reversal of 116437428 is 824734611.

116437428 is a `hidden beast` number, since 1 + 1 + 643 + 7 + 4 + 2 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 109244304 + 7193124 = 10452^2 + 2682^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-4 number, since 4×116437428⁴ (a number of 33 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 3234373 = 116437428 / (1 + 1 + 6 + 4 + 3 + 7 + 4 + 2 + 8).

It is a junction number, because it is equal to n+sod(n) for n = 116437392 and 116437401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116437429) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1617151 + ... + 1617222.

Almost surely, 2^116437428 is an apocalyptic number.

116437428 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

116437428 is an abundant number, since it is smaller than the sum of its proper divisors (177890606).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

116437428 is a wasteful number, since it uses less digits than its factorization.

116437428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3234383 (or 3234378 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 116437428 is about 10790.6175912225. The cubic root of 116437428 is about 488.3121547139.

The spelling of 116437428 in words is "one hundred sixteen million, four hundred thirty-seven thousand, four hundred twenty-eight".