973393428 has 72 divisors (see below), whose sum is σ = 2727346944. Its totient is φ = 269136000.

The previous prime is 973393417. The next prime is 973393433. The reversal of 973393428 is 824393379.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8473 + ... + 44928.

Almost surely, 2^973393428 is an apocalyptic number.

973393428 is a gapful number since it is divisible by the number (98) formed by its first and last digit.

It is an amenable number.

973393428 is an abundant number, since it is smaller than the sum of its proper divisors (1753953516).

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

973393428 is a wasteful number, since it uses less digits than its factorization.

973393428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53453 (or 53444 counting only the distinct ones).

The product of its digits is 979776, while the sum is 48.

The square root of 973393428 is about 31199.2536449191. The cubic root of 973393428 is about 991.0513023451.

The spelling of 973393428 in words is "nine hundred seventy-three million, three hundred ninety-three thousand, four hundred twenty-eight".