38971418 has 8 divisors (see below), whose sum is σ = 60472980. Its totient is φ = 18813760.

The previous prime is 38971393. The next prime is 38971477. The reversal of 38971418 is 81417983.

It can be written as a sum of positive squares in 2 ways, for example, as 38477209 + 494209 = 6203^2 + 703^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 335903 + ... + 336018.

Almost surely, 2^38971418 is an apocalyptic number.

38971418 is a deficient number, since it is larger than the sum of its proper divisors (21501562).

38971418 is a wasteful number, since it uses less digits than its factorization.

38971418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671952.

The product of its digits is 48384, while the sum is 41.

The square root of 38971418 is about 6242.7091875243. The cubic root of 38971418 is about 339.0382799479.

The spelling of 38971418 in words is "thirty-eight million, nine hundred seventy-one thousand, four hundred eighteen".