938490428 has 12 divisors (see below), whose sum is σ = 1648465560. Its totient is φ = 467500272.

The previous prime is 938490359. The next prime is 938490439. The reversal of 938490428 is 824094839.

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 in 3 ways as a sum of consecutive naturals, for example, 435026 + ... + 437177.

It is an arithmetic number, because the mean of its divisors is an integer number (137372130).

Almost surely, 2^938490428 is an apocalyptic number.

It is an amenable number.

938490428 is a deficient number, since it is larger than the sum of its proper divisors (709975132).

938490428 is a wasteful number, since it uses less digits than its factorization.

938490428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 872476 (or 872474 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 47.

The square root of 938490428 is about 30634.7911368757. The cubic root of 938490428 is about 979.0614462830.

The spelling of 938490428 in words is "nine hundred thirty-eight million, four hundred ninety thousand, four hundred twenty-eight".