42964904 has 8 divisors (see below), whose sum is σ = 80559210. Its totient is φ = 21482448.

The previous prime is 42964903. The next prime is 42964913. The reversal of 42964904 is 40946924.

It can be written as a sum of positive squares in only one way, i.e., 42276004 + 688900 = 6502^2 + 830^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (42964903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2685299 + ... + 2685314.

Almost surely, 2^42964904 is an apocalyptic number.

It is an amenable number.

42964904 is a deficient number, since it is larger than the sum of its proper divisors (37594306).

42964904 is a wasteful number, since it uses less digits than its factorization.

42964904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5370619 (or 5370615 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 42964904 is about 6554.7619331292. The cubic root of 42964904 is about 350.2444659418.

The spelling of 42964904 in words is "forty-two million, nine hundred sixty-four thousand, nine hundred four".