1026897904 has 20 divisors (see below), whose sum is σ = 1990111464. Its totient is φ = 513320768.

The previous prime is 1026897899. The next prime is 1026897919. The reversal of 1026897904 is 4097986201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122454 + ... + 130570.

Almost surely, 2^1026897904 is an apocalyptic number.

It is an amenable number.

1026897904 is a deficient number, since it is larger than the sum of its proper divisors (963213560).

1026897904 is an equidigital number, since it uses as much as digits as its factorization.

1026897904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16032 (or 16026 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 46.

The square root of 1026897904 is about 32045.2477600034. The cubic root of 1026897904 is about 1008.8867595620.

The spelling of 1026897904 in words is "one billion, twenty-six million, eight hundred ninety-seven thousand, nine hundred four".