38971420 has 12 divisors (see below), whose sum is σ = 81840024. Its totient is φ = 15588560.

The previous prime is 38971393. The next prime is 38971477. The reversal of 38971420 is 2417983.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 974266 + ... + 974305.

It is an arithmetic number, because the mean of its divisors is an integer number (6820002).

Almost surely, 2^38971420 is an apocalyptic number.

It is an amenable number.

38971420 is an abundant number, since it is smaller than the sum of its proper divisors (42868604).

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

38971420 is a wasteful number, since it uses less digits than its factorization.

38971420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1948580 (or 1948578 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 38971420 is about 6242.7093477111. The cubic root of 38971420 is about 339.0382857477.

The spelling of 38971420 in words is "thirty-eight million, nine hundred seventy-one thousand, four hundred twenty".