974630394 has 40 divisors (see below), whose sum is σ = 2242931988. Its totient is φ = 316094400.

The previous prime is 974630387. The next prime is 974630411. The reversal of 974630394 is 493036479.

974630394 is a `hidden beast` number, since 9 + 7 + 4 + 630 + 3 + 9 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 755975025 + 218655369 = 27495^2 + 14787^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 75307 + ... + 87294.

Almost surely, 2^974630394 is an apocalyptic number.

974630394 is an abundant number, since it is smaller than the sum of its proper divisors (1268301594).

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

974630394 is a wasteful number, since it uses less digits than its factorization.

974630394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162652 (or 162643 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 45.

The square root of 974630394 is about 31219.0709983497. The cubic root of 974630394 is about 991.4709263860.

The spelling of 974630394 in words is "nine hundred seventy-four million, six hundred thirty thousand, three hundred ninety-four".