38238490 has 16 divisors (see below), whose sum is σ = 69996960. Its totient is φ = 15035920.

The previous prime is 38238463. The next prime is 38238503. The reversal of 38238490 is 9483283.

38238490 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 7 ways as a sum of consecutive naturals, for example, 31816 + ... + 32995.

It is an arithmetic number, because the mean of its divisors is an integer number (4374810).

Almost surely, 2^38238490 is an apocalyptic number.

38238490 is a deficient number, since it is larger than the sum of its proper divisors (31758470).

38238490 is a wasteful number, since it uses less digits than its factorization.

38238490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64877.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 38238490 is about 6183.7278400654. The cubic root of 38238490 is about 336.8994055610.

The spelling of 38238490 in words is "thirty-eight million, two hundred thirty-eight thousand, four hundred ninety".