38751986 has 16 divisors (see below), whose sum is σ = 71542464. Its totient is φ = 15330384.

The previous prime is 38751961. The next prime is 38751991. The reversal of 38751986 is 68915783.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 38751986.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106280 + ... + 106643.

It is an arithmetic number, because the mean of its divisors is an integer number (4471404).

Almost surely, 2^38751986 is an apocalyptic number.

38751986 is a deficient number, since it is larger than the sum of its proper divisors (32790478).

38751986 is a wasteful number, since it uses less digits than its factorization.

38751986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212945.

The product of its digits is 362880, while the sum is 47.

The square root of 38751986 is about 6225.1093163092. The cubic root of 38751986 is about 338.4007536026.

The spelling of 38751986 in words is "thirty-eight million, seven hundred fifty-one thousand, nine hundred eighty-six".