38477986 has 8 divisors (see below), whose sum is σ = 57889260. Its totient is φ = 19181568.

The previous prime is 38477941. The next prime is 38478001. The reversal of 38477986 is 68977483.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 37515625 + 962361 = 6125^2 + 981^2 .

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, 27871 + ... + 29218.

Almost surely, 2^38477986 is an apocalyptic number.

38477986 is a deficient number, since it is larger than the sum of its proper divisors (19411274).

38477986 is a wasteful number, since it uses less digits than its factorization.

38477986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57428.

The product of its digits is 2032128, while the sum is 52.

The square root of 38477986 is about 6203.0626306688. The cubic root of 38477986 is about 337.6013003645.

The spelling of 38477986 in words is "thirty-eight million, four hundred seventy-seven thousand, nine hundred eighty-six".