971428924 has 6 divisors (see below), whose sum is σ = 1700000624. Its totient is φ = 485714460.

The previous prime is 971428919. The next prime is 971428933. The reversal of 971428924 is 429824179.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121428612 + ... + 121428619.

Almost surely, 2^971428924 is an apocalyptic number.

It is an amenable number.

971428924 is a deficient number, since it is larger than the sum of its proper divisors (728571700).

971428924 is a wasteful number, since it uses less digits than its factorization.

971428924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242857235 (or 242857233 counting only the distinct ones).

The product of its digits is 290304, while the sum is 46.

The square root of 971428924 is about 31167.7545549884. The cubic root of 971428924 is about 990.3841396050.

The spelling of 971428924 in words is "nine hundred seventy-one million, four hundred twenty-eight thousand, nine hundred twenty-four".