974139292 has 12 divisors (see below), whose sum is σ = 1948278640. Its totient is φ = 417488256.

The previous prime is 974139269. The next prime is 974139337. The reversal of 974139292 is 292931479.

It is a happy number.

974139292 is an admirable number.

It is a super-2 number, since 2×974139292² = 1897894720436522528, 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 3 ways as a sum of consecutive naturals, for example, 17395317 + ... + 17395372.

Almost surely, 2^974139292 is an apocalyptic number.

It is an amenable number.

974139292 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

974139292 is a wasteful number, since it uses less digits than its factorization.

974139292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34790700 (or 34790698 counting only the distinct ones).

The product of its digits is 244944, while the sum is 46.

The square root of 974139292 is about 31211.2045906594. The cubic root of 974139292 is about 991.3043691750.

The spelling of 974139292 in words is "nine hundred seventy-four million, one hundred thirty-nine thousand, two hundred ninety-two".