947992152 has 32 divisors (see below), whose sum is σ = 2446433280. Its totient is φ = 305803680.

The previous prime is 947992151. The next prime is 947992163. The reversal of 947992152 is 251299749.

It is a super-2 number, since 2×947992152² = 1797378240507182208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (947992151) 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, 636348 + ... + 637835.

It is an arithmetic number, because the mean of its divisors is an integer number (76451040).

Almost surely, 2^947992152 is an apocalyptic number.

It is an amenable number.

947992152 is an abundant number, since it is smaller than the sum of its proper divisors (1498441128).

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

947992152 is a wasteful number, since it uses less digits than its factorization.

947992152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1274223 (or 1274219 counting only the distinct ones).

The product of its digits is 408240, while the sum is 48.

The square root of 947992152 is about 30789.4811908223. The cubic root of 947992152 is about 982.3545190521.

The spelling of 947992152 in words is "nine hundred forty-seven million, nine hundred ninety-two thousand, one hundred fifty-two".