7922390 has 16 divisors (see below), whose sum is σ = 16297632. Its totient is φ = 2716224.

The previous prime is 7922371. The next prime is 7922399. The reversal of 7922390 is 932297.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7922399) 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, 56519 + ... + 56658.

It is an arithmetic number, because the mean of its divisors is an integer number (1018602).

Almost surely, 2^7922390 is an apocalyptic number.

7922390 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

7922390 is an abundant number, since it is smaller than the sum of its proper divisors (8375242).

7922390 is a wasteful number, since it uses less digits than its factorization.

7922390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113191.

The product of its (nonzero) digits is 6804, while the sum is 32.

The square root of 7922390 is about 2814.6740486245. The cubic root of 7922390 is about 199.3511472268.

The spelling of 7922390 in words is "seven million, nine hundred twenty-two thousand, three hundred ninety".