38974830 has 32 divisors (see below), whose sum is σ = 94375584. Its totient is φ = 10300416.

The previous prime is 38974823. The next prime is 38974847. The reversal of 38974830 is 3847983.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2359 + ... + 9138.

It is an arithmetic number, because the mean of its divisors is an integer number (2949237).

Almost surely, 2^38974830 is an apocalyptic number.

38974830 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

38974830 is an abundant number, since it is smaller than the sum of its proper divisors (55400754).

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

38974830 is a wasteful number, since it uses less digits than its factorization.

38974830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11620.

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 38974830 is about 6242.9824603310. The cubic root of 38974830 is about 339.0481740781.

The spelling of 38974830 in words is "thirty-eight million, nine hundred seventy-four thousand, eight hundred thirty".