1912972 has 6 divisors (see below), whose sum is σ = 3347708. Its totient is φ = 956484.

The previous prime is 1912969. The next prime is 1912991. The reversal of 1912972 is 2792191.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239118 + ... + 239125.

2^1912972 is an apocalyptic number.

It is an amenable number.

1912972 is a deficient number, since it is larger than the sum of its proper divisors (1434736).

1912972 is a wasteful number, since it uses less digits than its factorization.

1912972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478247 (or 478245 counting only the distinct ones).

The product of its digits is 2268, while the sum is 31.

The square root of 1912972 is about 1383.1023100263. The cubic root of 1912972 is about 124.1374646179.

The spelling of 1912972 in words is "one million, nine hundred twelve thousand, nine hundred seventy-two".