38039390 has 16 divisors (see below), whose sum is σ = 70141680. Its totient is φ = 14844480.

The previous prime is 38039381. The next prime is 38039429. The reversal of 38039390 is 9393083.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 38039390.

It is a congruent number.

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, 45980 + ... + 46799.

It is an arithmetic number, because the mean of its divisors is an integer number (4383855).

Almost surely, 2^38039390 is an apocalyptic number.

38039390 is a deficient number, since it is larger than the sum of its proper divisors (32102290).

38039390 is a wasteful number, since it uses less digits than its factorization.

38039390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92827.

The product of its (nonzero) digits is 17496, while the sum is 35.

The square root of 38039390 is about 6167.6081263323. The cubic root of 38039390 is about 336.3136656625.

The spelling of 38039390 in words is "thirty-eight million, thirty-nine thousand, three hundred ninety".