947394297 has 12 divisors (see below), whose sum is σ = 1374437220. Its totient is φ = 628836768.

The previous prime is 947394281. The next prime is 947394323. The reversal of 947394297 is 792493749.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 591656976 + 355737321 = 24324^2 + 18861^2 .

It is not a de Polignac number, because 947394297 - 2⁴ = 947394281 is a prime.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (947394277) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 227778 + ... + 231899.

It is an arithmetic number, because the mean of its divisors is an integer number (114536435).

Almost surely, 2^947394297 is an apocalyptic number.

It is an amenable number.

947394297 is a deficient number, since it is larger than the sum of its proper divisors (427042923).

947394297 is a wasteful number, since it uses less digits than its factorization.

947394297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459912 (or 459909 counting only the distinct ones).

The product of its digits is 3429216, while the sum is 54.

The square root of 947394297 is about 30779.7709055802. The cubic root of 947394297 is about 982.1479670375.

The spelling of 947394297 in words is "nine hundred forty-seven million, three hundred ninety-four thousand, two hundred ninety-seven".