38875390 has 16 divisors (see below), whose sum is σ = 70597008. Its totient is φ = 15412096.

The previous prime is 38875373. The next prime is 38875391. The reversal of 38875390 is 9357883.

It is a happy number.

38875390 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×38875390² = 3022591895304200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38875391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16072 + ... + 18331.

It is an arithmetic number, because the mean of its divisors is an integer number (4412313).

Almost surely, 2^38875390 is an apocalyptic number.

38875390 is a deficient number, since it is larger than the sum of its proper divisors (31721618).

38875390 is a wasteful number, since it uses less digits than its factorization.

38875390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34523.

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 38875390 is about 6235.0132317422. The cubic root of 38875390 is about 338.7595804356.

The spelling of 38875390 in words is "thirty-eight million, eight hundred seventy-five thousand, three hundred ninety".