109316628 has 30 divisors (see below), whose sum is σ = 285776106. Its totient is φ = 36438768.

The previous prime is 109316609. The next prime is 109316639. The reversal of 109316628 is 826613901.

109316628 is a `hidden beast` number, since 10 + 9 + 3 + 16 + 628 = 666.

It can be written as a sum of positive squares in only one way, i.e., 106750224 + 2566404 = 10332^2 + 1602^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 109316592 and 109316601.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 168375 + ... + 169022.

Almost surely, 2^109316628 is an apocalyptic number.

109316628 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

109316628 is an abundant number, since it is smaller than the sum of its proper divisors (176459478).

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

109316628 is a wasteful number, since it uses less digits than its factorization.

109316628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337413 (or 337402 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 109316628 is about 10455.4592438592. The cubic root of 109316628 is about 478.1477050348.

The spelling of 109316628 in words is "one hundred nine million, three hundred sixteen thousand, six hundred twenty-eight".