38690874 has 12 divisors (see below), whose sum is σ = 83830266. Its totient is φ = 12896952.

The previous prime is 38690851. The next prime is 38690887. The reversal of 38690874 is 47809683.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 38526849 + 164025 = 6207^2 + 405^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1074729 + ... + 1074764.

Almost surely, 2^38690874 is an apocalyptic number.

38690874 is an abundant number, since it is smaller than the sum of its proper divisors (45139392).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38690874 is a wasteful number, since it uses less digits than its factorization.

38690874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2149501 (or 2149498 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 38690874 is about 6220.1988714188. The cubic root of 38690874 is about 338.2227736717. Note that the first 3 decimals are identical.

The spelling of 38690874 in words is "thirty-eight million, six hundred ninety thousand, eight hundred seventy-four".