7990468 has 6 divisors (see below), whose sum is σ = 13983326. Its totient is φ = 3995232.

The previous prime is 7990441. The next prime is 7990471. The reversal of 7990468 is 8640997.

It can be written as a sum of positive squares in only one way, i.e., 4334724 + 3655744 = 2082^2 + 1912^2 .

It is an Ulam number.

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 as a sum of consecutive naturals, namely, 998805 + ... + 998812.

Almost surely, 2^7990468 is an apocalyptic number.

It is an amenable number.

7990468 is a deficient number, since it is larger than the sum of its proper divisors (5992858).

7990468 is a wasteful number, since it uses less digits than its factorization.

7990468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1997621 (or 1997619 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 7990468 is about 2826.7415870574. The cubic root of 7990468 is about 199.9205350975.

The spelling of 7990468 in words is "seven million, nine hundred ninety thousand, four hundred sixty-eight".