947939404 has 6 divisors (see below), whose sum is σ = 1658893964. Its totient is φ = 473969700.

The previous prime is 947939357. The next prime is 947939441. The reversal of 947939404 is 404939749.

It is a super-2 number, since 2×947939404² = 1797178227311750432, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 118492422 + ... + 118492429.

Almost surely, 2^947939404 is an apocalyptic number.

It is an amenable number.

947939404 is a deficient number, since it is larger than the sum of its proper divisors (710954560).

947939404 is a wasteful number, since it uses less digits than its factorization.

947939404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236984855 (or 236984853 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 49.

The square root of 947939404 is about 30788.6245876622. The cubic root of 947939404 is about 982.3362987193.

The spelling of 947939404 in words is "nine hundred forty-seven million, nine hundred thirty-nine thousand, four hundred four".