1938564096 has 88 divisors (see below), whose sum is σ = 5905185600. Its totient is φ = 553869312.

The previous prime is 1938564071. The next prime is 1938564139. The reversal of 1938564096 is 6904658391.

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, 23571 + ... + 66578.

Almost surely, 2^1938564096 is an apocalyptic number.

1938564096 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1938564096 is an abundant number, since it is smaller than the sum of its proper divisors (3966621504).

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

1938564096 is an equidigital number, since it uses as much as digits as its factorization.

1938564096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90179 (or 90161 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 51.

The square root of 1938564096 is about 44029.1278133010. The cubic root of 1938564096 is about 1246.8859222716.

The spelling of 1938564096 in words is "one billion, nine hundred thirty-eight million, five hundred sixty-four thousand, ninety-six".