947323351 has 16 divisors (see below), whose sum is σ = 1097929728. Its totient is φ = 809510400.

The previous prime is 947323343. The next prime is 947323369. The reversal of 947323351 is 153323749.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 947323351 - 2³ = 947323343 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 947323351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (947323301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21655 + ... + 48616.

It is an arithmetic number, because the mean of its divisors is an integer number (68620608).

Almost surely, 2^947323351 is an apocalyptic number.

947323351 is a deficient number, since it is larger than the sum of its proper divisors (150606377).

947323351 is a wasteful number, since it uses less digits than its factorization.

947323351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70362.

The product of its digits is 68040, while the sum is 37.

The square root of 947323351 is about 30778.6184062898. The cubic root of 947323351 is about 982.1234502447.

The spelling of 947323351 in words is "nine hundred forty-seven million, three hundred twenty-three thousand, three hundred fifty-one".