1938972576 has 48 divisors (see below), whose sum is σ = 5142299904. Its totient is φ = 639657984.

The previous prime is 1938972547. The next prime is 1938972613. The reversal of 1938972576 is 6752798391.

1938972576 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×1938972576² = 7519229300960151552, which contains 22 as substring.

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, 94800 + ... + 113423.

It is an arithmetic number, because the mean of its divisors is an integer number (107131248).

Almost surely, 2^1938972576 is an apocalyptic number.

1938972576 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1938972576 is an abundant number, since it is smaller than the sum of its proper divisors (3203327328).

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

1938972576 is a wasteful number, since it uses less digits than its factorization.

1938972576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208333 (or 208325 counting only the distinct ones).

The product of its digits is 5715360, while the sum is 57.

The square root of 1938972576 is about 44033.7663163168. The cubic root of 1938972576 is about 1246.9734943381.

The spelling of 1938972576 in words is "one billion, nine hundred thirty-eight million, nine hundred seventy-two thousand, five hundred seventy-six".