947404942 has 16 divisors (see below), whose sum is σ = 1631894400. Its totient is φ = 407973240.

The previous prime is 947404907. The next prime is 947404963. The reversal of 947404942 is 249404749.

It is a super-2 number, since 2×947404942² = 1795152248252046728, 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 7 ways as a sum of consecutive naturals, for example, 1132842 + ... + 1133677.

It is an arithmetic number, because the mean of its divisors is an integer number (101993400).

Almost surely, 2^947404942 is an apocalyptic number.

947404942 is a deficient number, since it is larger than the sum of its proper divisors (684489458).

947404942 is a wasteful number, since it uses less digits than its factorization.

947404942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2266551.

The product of its (nonzero) digits is 290304, while the sum is 43.

The square root of 947404942 is about 30779.9438271092. The cubic root of 947404942 is about 982.1516455221.

The spelling of 947404942 in words is "nine hundred forty-seven million, four hundred four thousand, nine hundred forty-two".