1957898004 has 24 divisors (see below), whose sum is σ = 4569337248. Its totient is φ = 652502880.

The previous prime is 1957897979. The next prime is 1957898011. The reversal of 1957898004 is 4008987591.

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, 61539 + ... + 87765.

It is an arithmetic number, because the mean of its divisors is an integer number (190389052).

Almost surely, 2^1957898004 is an apocalyptic number.

It is an amenable number.

1957898004 is an abundant number, since it is smaller than the sum of its proper divisors (2611439244).

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

1957898004 is a wasteful number, since it uses less digits than its factorization.

1957898004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32455 (or 32453 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 51.

The square root of 1957898004 is about 44248.1412490966. The cubic root of 1957898004 is about 1251.0174125261.

The spelling of 1957898004 in words is "one billion, nine hundred fifty-seven million, eight hundred ninety-eight thousand, four".