38775490 has 32 divisors (see below), whose sum is σ = 75458880. Its totient is φ = 14261184.

The previous prime is 38775481. The next prime is 38775509. The reversal of 38775490 is 9457783.

It is a happy number.

38775490 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 15 ways as a sum of consecutive naturals, for example, 48877 + ... + 49663.

It is an arithmetic number, because the mean of its divisors is an integer number (2358090).

Almost surely, 2^38775490 is an apocalyptic number.

38775490 is a deficient number, since it is larger than the sum of its proper divisors (36683390).

38775490 is a wasteful number, since it uses less digits than its factorization.

38775490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1186.

The product of its (nonzero) digits is 211680, while the sum is 43.

The square root of 38775490 is about 6226.9968684752. The cubic root of 38775490 is about 338.4691558071.

The spelling of 38775490 in words is "thirty-eight million, seven hundred seventy-five thousand, four hundred ninety".