938824990 has 16 divisors (see below), whose sum is σ = 1690612848. Its totient is φ = 375368256.

The previous prime is 938824967. The next prime is 938825003. The reversal of 938824990 is 99428839.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5749 + ... + 43711.

It is an arithmetic number, because the mean of its divisors is an integer number (105663303).

Almost surely, 2^938824990 is an apocalyptic number.

938824990 is a deficient number, since it is larger than the sum of its proper divisors (751787858).

938824990 is a wasteful number, since it uses less digits than its factorization.

938824990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40443.

The product of its (nonzero) digits is 1119744, while the sum is 52.

The square root of 938824990 is about 30640.2511412684. The cubic root of 938824990 is about 979.1777741751.

The spelling of 938824990 in words is "nine hundred thirty-eight million, eight hundred twenty-four thousand, nine hundred ninety".