1893791472 has 40 divisors (see below), whose sum is σ = 4904544720. Its totient is φ = 629683200.

The previous prime is 1893791467. The next prime is 1893791527. The reversal of 1893791472 is 2741973981.

It is a super-2 number, since 2×1893791472² = 7172892278839853568, 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 7 ways as a sum of consecutive naturals, for example, 29947 + ... + 68442.

It is an arithmetic number, because the mean of its divisors is an integer number (122613618).

Almost surely, 2^1893791472 is an apocalyptic number.

1893791472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1893791472 is an abundant number, since it is smaller than the sum of its proper divisors (3010753248).

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

1893791472 is a wasteful number, since it uses less digits than its factorization.

1893791472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98801 (or 98795 counting only the distinct ones).

The product of its digits is 762048, while the sum is 51.

The square root of 1893791472 is about 43517.7144620441. The cubic root of 1893791472 is about 1237.2117963274.

The spelling of 1893791472 in words is "one billion, eight hundred ninety-three million, seven hundred ninety-one thousand, four hundred seventy-two".