38977490 has 8 divisors (see below), whose sum is σ = 70159500. Its totient is φ = 15590992.

The previous prime is 38977483. The next prime is 38977513. The reversal of 38977490 is 9477983.

It can be written as a sum of positive squares in 2 ways, for example, as 38180041 + 797449 = 6179^2 + 893^2 .

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, 1948865 + ... + 1948884.

Almost surely, 2^38977490 is an apocalyptic number.

38977490 is a deficient number, since it is larger than the sum of its proper divisors (31182010).

38977490 is a wasteful number, since it uses less digits than its factorization.

38977490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3897756.

The product of its (nonzero) digits is 381024, while the sum is 47.

The square root of 38977490 is about 6243.1954958979. The cubic root of 38977490 is about 339.0558871554.

The spelling of 38977490 in words is "thirty-eight million, nine hundred seventy-seven thousand, four hundred ninety".