947395842 has 16 divisors (see below), whose sum is σ = 1911561120. Its totient is φ = 313003712.

The previous prime is 947395807. The next prime is 947395847. The reversal of 947395842 is 248593749.

It is not an unprimeable number, because it can be changed into a prime (947395847) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 697992 + ... + 699347.

It is an arithmetic number, because the mean of its divisors is an integer number (119472570).

Almost surely, 2^947395842 is an apocalyptic number.

947395842 is an abundant number, since it is smaller than the sum of its proper divisors (964165278).

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

947395842 is a wasteful number, since it uses less digits than its factorization.

947395842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1397457.

The product of its digits is 2177280, while the sum is 51.

The square root of 947395842 is about 30779.7960032226. The cubic root of 947395842 is about 982.1485009291.

The spelling of 947395842 in words is "nine hundred forty-seven million, three hundred ninety-five thousand, eight hundred forty-two".