7923922 has 4 divisors (see below), whose sum is σ = 11885886. Its totient is φ = 3961960.

The previous prime is 7923917. The next prime is 7923953. The reversal of 7923922 is 2293297.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2293297 = 37 ⋅61981.

It can be written as a sum of positive squares in only one way, i.e., 7901721 + 22201 = 2811^2 + 149^2 .

It is a d-powerful number, because it can be written as 7⁸ + 9³ + 2² + 3⁷ + 9⁵ + 2²⁰ + 2²⁰ .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1980979 + ... + 1980982.

Almost surely, 2^7923922 is an apocalyptic number.

7923922 is a deficient number, since it is larger than the sum of its proper divisors (3961964).

7923922 is a wasteful number, since it uses less digits than its factorization.

7923922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3961963.

The product of its digits is 13608, while the sum is 34.

The square root of 7923922 is about 2814.9461806578. The cubic root of 7923922 is about 199.3639963070.

The spelling of 7923922 in words is "seven million, nine hundred twenty-three thousand, nine hundred twenty-two".