38390982 has 32 divisors (see below), whose sum is σ = 92371200. Its totient is φ = 10391328.

The previous prime is 38390977. The next prime is 38390987. The reversal of 38390982 is 28909383.

It is an interprime number because it is at equal distance from previous prime (38390977) and next prime (38390987).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38390987) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23257 + ... + 24852.

It is an arithmetic number, because the mean of its divisors is an integer number (2886600).

Almost surely, 2^38390982 is an apocalyptic number.

38390982 is an abundant number, since it is smaller than the sum of its proper divisors (53980218).

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

38390982 is a wasteful number, since it uses less digits than its factorization.

38390982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48140.

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 38390982 is about 6196.0456744604. The cubic root of 38390982 is about 337.3466540677.

The spelling of 38390982 in words is "thirty-eight million, three hundred ninety thousand, nine hundred eighty-two".