1912246872 has 16 divisors (see below), whose sum is σ = 4780617240. Its totient is φ = 637415616.

The previous prime is 1912246807. The next prime is 1912246879. The reversal of 1912246872 is 2786422191.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1912246879) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39838453 + ... + 39838500.

Almost surely, 2^1912246872 is an apocalyptic number.

1912246872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1912246872 is an abundant number, since it is smaller than the sum of its proper divisors (2868370368).

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

1912246872 is a wasteful number, since it uses less digits than its factorization.

1912246872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79676962 (or 79676958 counting only the distinct ones).

The product of its digits is 96768, while the sum is 42.

The square root of 1912246872 is about 43729.2450426485. The cubic root of 1912246872 is about 1241.2177752171.

The spelling of 1912246872 in words is "one billion, nine hundred twelve million, two hundred forty-six thousand, eight hundred seventy-two".