1064889792 has 84 divisors (see below), whose sum is σ = 3231891936. Its totient is φ = 334080000.

The previous prime is 1064889767. The next prime is 1064889803. The reversal of 1064889792 is 2979884601.

It is a super-2 number, since 2×1064889792² = 2267980538211606528, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44584 + ... + 64167.

It is an arithmetic number, because the mean of its divisors is an integer number (38474904).

Almost surely, 2^1064889792 is an apocalyptic number.

1064889792 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1064889792 is an abundant number, since it is smaller than the sum of its proper divisors (2167002144).

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

1064889792 is a wasteful number, since it uses less digits than its factorization.

1064889792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108786 (or 108773 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 54.

The square root of 1064889792 is about 32632.6491722630. The cubic root of 1064889792 is about 1021.1782462757.

The spelling of 1064889792 in words is "one billion, sixty-four million, eight hundred eighty-nine thousand, seven hundred ninety-two".