38751290 has 16 divisors (see below), whose sum is σ = 69886368. Its totient is φ = 15470736.

The previous prime is 38751283. The next prime is 38751311. The reversal of 38751290 is 9215783.

38751290 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 38751290.

It is an unprimeable number.

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, 2189 + ... + 9071.

It is an arithmetic number, because the mean of its divisors is an integer number (4367898).

Almost surely, 2^38751290 is an apocalyptic number.

38751290 is a deficient number, since it is larger than the sum of its proper divisors (31135078).

38751290 is a wasteful number, since it uses less digits than its factorization.

38751290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7453.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 38751290 is about 6225.0534134255. The cubic root of 38751290 is about 338.3987276563.

The spelling of 38751290 in words is "thirty-eight million, seven hundred fifty-one thousand, two hundred ninety".