109405896 has 32 divisors (see below), whose sum is σ = 274570560. Its totient is φ = 36327872.

The previous prime is 109405873. The next prime is 109405937. The reversal of 109405896 is 698504901.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2355 + ... + 14978.

It is an arithmetic number, because the mean of its divisors is an integer number (8580330).

Almost surely, 2^109405896 is an apocalyptic number.

It is an amenable number.

109405896 is an abundant number, since it is smaller than the sum of its proper divisors (165164664).

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

109405896 is a wasteful number, since it uses less digits than its factorization.

109405896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17605 (or 17601 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 42.

The square root of 109405896 is about 10459.7273387025. The cubic root of 109405896 is about 478.2778214894.

It can be divided in two parts, 10940 and 5896, that added together give a triangular number (16836 = T₁₈₃).

The spelling of 109405896 in words is "one hundred nine million, four hundred five thousand, eight hundred ninety-six".