38971378 has 8 divisors (see below), whose sum is σ = 61895772. Its totient is φ = 18339456.

The previous prime is 38971351. The next prime is 38971381. The reversal of 38971378 is 87317983.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 34421689 + 4549689 = 5867^2 + 2133^2 .

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, 573075 + ... + 573142.

Almost surely, 2^38971378 is an apocalyptic number.

38971378 is a deficient number, since it is larger than the sum of its proper divisors (22924394).

38971378 is a wasteful number, since it uses less digits than its factorization.

38971378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1146236.

The product of its digits is 254016, while the sum is 46.

The square root of 38971378 is about 6242.7059837862. The cubic root of 38971378 is about 339.0381639523.

The spelling of 38971378 in words is "thirty-eight million, nine hundred seventy-one thousand, three hundred seventy-eight".