1042891604 has 24 divisors (see below), whose sum is σ = 1839233760. Its totient is φ = 517407264.

The previous prime is 1042891579. The next prime is 1042891613. The reversal of 1042891604 is 4061982401.

It is a happy number.

It is a congruent number.

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, 659687 + ... + 661265.

It is an arithmetic number, because the mean of its divisors is an integer number (76634740).

Almost surely, 2^1042891604 is an apocalyptic number.

It is an amenable number.

1042891604 is a deficient number, since it is larger than the sum of its proper divisors (796342156).

1042891604 is a wasteful number, since it uses less digits than its factorization.

1042891604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2759 (or 2757 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 1042891604 is about 32293.8322903925. The cubic root of 1042891604 is about 1014.0975271462.

The spelling of 1042891604 in words is "one billion, forty-two million, eight hundred ninety-one thousand, six hundred four".