109432928 has 24 divisors (see below), whose sum is σ = 235032840. Its totient is φ = 49742080.

The previous prime is 109432891. The next prime is 109432931. The reversal of 109432928 is 829234901.

It is a junction number, because it is equal to n+sod(n) for n = 109432891 and 109432900.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155093 + ... + 155796.

It is an arithmetic number, because the mean of its divisors is an integer number (9793035).

Almost surely, 2^109432928 is an apocalyptic number.

It is an amenable number.

109432928 is an abundant number, since it is smaller than the sum of its proper divisors (125599912).

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

109432928 is a wasteful number, since it uses less digits than its factorization.

109432928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310910 (or 310902 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 109432928 is about 10461.0194531891. The cubic root of 109432928 is about 478.3172091942.

The spelling of 109432928 in words is "one hundred nine million, four hundred thirty-two thousand, nine hundred twenty-eight".