97644044 has 24 divisors (see below), whose sum is σ = 177315600. Its totient is φ = 46992960.

The previous prime is 97644037. The next prime is 97644047. The reversal of 97644044 is 44044679.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 97643989 and 97644007.

It is not an unprimeable number, because it can be changed into a prime (97644047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42854 + ... + 45074.

It is an arithmetic number, because the mean of its divisors is an integer number (7388150).

Almost surely, 2^97644044 is an apocalyptic number.

It is an amenable number.

97644044 is a deficient number, since it is larger than the sum of its proper divisors (79671556).

97644044 is a wasteful number, since it uses less digits than its factorization.

97644044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2633 (or 2631 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 38.

The square root of 97644044 is about 9881.5000885493. The cubic root of 97644044 is about 460.4847504876.

The spelling of 97644044 in words is "ninety-seven million, six hundred forty-four thousand, forty-four".