1914271872 has 32 divisors (see below), whose sum is σ = 5084785680. Its totient is φ = 638090496.

The previous prime is 1914271829. The next prime is 1914271903. The reversal of 1914271872 is 2781724191.

It is a tau number, because it is divible by the number of its divisors (32).

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2492158 + ... + 2492925.

Almost surely, 2^1914271872 is an apocalyptic number.

1914271872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1914271872 is an abundant number, since it is smaller than the sum of its proper divisors (3170513808).

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

1914271872 is an equidigital number, since it uses as much as digits as its factorization.

1914271872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4985100 (or 4985088 counting only the distinct ones).

The product of its digits is 56448, while the sum is 42.

The square root of 1914271872 is about 43752.3927574253. The cubic root of 1914271872 is about 1241.6557555027.

The spelling of 1914271872 in words is "one billion, nine hundred fourteen million, two hundred seventy-one thousand, eight hundred seventy-two".