115643604 has 12 divisors (see below), whose sum is σ = 269835104. Its totient is φ = 38547864.

The previous prime is 115643579. The next prime is 115643621. The reversal of 115643604 is 406346511.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×115643604² = 26746886292217632, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4818472 + ... + 4818495.

Almost surely, 2^115643604 is an apocalyptic number.

It is an amenable number.

115643604 is an abundant number, since it is smaller than the sum of its proper divisors (154191500).

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

115643604 is a wasteful number, since it uses less digits than its factorization.

115643604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9636974 (or 9636972 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 115643604 is about 10753.7716174373. The cubic root of 115643604 is about 487.1999173589.

The spelling of 115643604 in words is "one hundred fifteen million, six hundred forty-three thousand, six hundred four".