116434428 has 144 divisors (see below), whose sum is σ = 325775520. Its totient is φ = 32215040.

The previous prime is 116434403. The next prime is 116434433. The reversal of 116434428 is 824434611.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1308208 + ... + 1308296.

It is an arithmetic number, because the mean of its divisors is an integer number (2262330).

Almost surely, 2^116434428 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 116434428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162887760).

116434428 is an abundant number, since it is smaller than the sum of its proper divisors (209341092).

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

116434428 is a wasteful number, since it uses less digits than its factorization.

116434428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188 (or 175 counting only the distinct ones).

The product of its digits is 18432, while the sum is 33.

The square root of 116434428 is about 10790.4785806747. The cubic root of 116434428 is about 488.3079609048.

The spelling of 116434428 in words is "one hundred sixteen million, four hundred thirty-four thousand, four hundred twenty-eight".