1043605904 has 20 divisors (see below), whose sum is σ = 2205803760. Its totient is φ = 474366240.

The previous prime is 1043605897. The next prime is 1043605921. The reversal of 1043605904 is 4095063401.

It is a super-2 number, since 2×1043605904² = 2178226565727314432, which contains 22 as substring.

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, 2964614 + ... + 2964965.

It is an arithmetic number, because the mean of its divisors is an integer number (110290188).

Almost surely, 2^1043605904 is an apocalyptic number.

It is an amenable number.

1043605904 is an abundant number, since it is smaller than the sum of its proper divisors (1162197856).

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

1043605904 is a wasteful number, since it uses less digits than its factorization.

1043605904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5929598 (or 5929592 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 1043605904 is about 32304.8897846750. The cubic root of 1043605904 is about 1014.3290004028.

The spelling of 1043605904 in words is "one billion, forty-three million, six hundred five thousand, nine hundred four".