1892974312 has 8 divisors (see below), whose sum is σ = 3549326850. Its totient is φ = 946487152.

The previous prime is 1892974289. The next prime is 1892974373. The reversal of 1892974312 is 2134792981.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1636526116 + 256448196 = 40454^2 + 16014^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 118310887 + ... + 118310902.

Almost surely, 2^1892974312 is an apocalyptic number.

It is an amenable number.

1892974312 is a deficient number, since it is larger than the sum of its proper divisors (1656352538).

1892974312 is a wasteful number, since it uses less digits than its factorization.

1892974312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236621795 (or 236621791 counting only the distinct ones).

The product of its digits is 217728, while the sum is 46.

The square root of 1892974312 is about 43508.3246287420. The cubic root of 1892974312 is about 1237.0338208296.

The spelling of 1892974312 in words is "one billion, eight hundred ninety-two million, nine hundred seventy-four thousand, three hundred twelve".