38390380 has 48 divisors (see below), whose sum is σ = 92494080. Its totient is φ = 13111488.

The previous prime is 38390377. The next prime is 38390441. The reversal of 38390380 is 8309383.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61711 + ... + 62329.

It is an arithmetic number, because the mean of its divisors is an integer number (1926960).

Almost surely, 2^38390380 is an apocalyptic number.

It is an amenable number.

38390380 is an abundant number, since it is smaller than the sum of its proper divisors (54103700).

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

38390380 is a wasteful number, since it uses less digits than its factorization.

38390380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1078 (or 1076 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 38390380 is about 6195.9970948993. The cubic root of 38390380 is about 337.3448907738.

The spelling of 38390380 in words is "thirty-eight million, three hundred ninety thousand, three hundred eighty".