38390064 has 40 divisors (see below), whose sum is σ = 99404352. Its totient is φ = 12767040.

The previous prime is 38390041. The next prime is 38390069. The reversal of 38390064 is 46009383.

It is not an unprimeable number, because it can be changed into a prime (38390069) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32199 + ... + 33369.

Almost surely, 2^38390064 is an apocalyptic number.

It is an amenable number.

38390064 is an abundant number, since it is smaller than the sum of its proper divisors (61014288).

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

38390064 is a wasteful number, since it uses less digits than its factorization.

38390064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1865 (or 1859 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 38390064 is about 6195.9715945120. The cubic root of 38390064 is about 337.3439651836.

The spelling of 38390064 in words is "thirty-eight million, three hundred ninety thousand, sixty-four".