7990263 has 12 divisors (see below), whose sum is σ = 11578320. Its totient is φ = 5309856.

The previous prime is 7990259. The next prime is 7990273. The reversal of 7990263 is 3620997.

It is not a de Polignac number, because 7990263 - 2² = 7990259 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7990273) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1995 + ... + 4467.

It is an arithmetic number, because the mean of its divisors is an integer number (964860).

Almost surely, 2^7990263 is an apocalyptic number.

7990263 is a deficient number, since it is larger than the sum of its proper divisors (3588057).

7990263 is a wasteful number, since it uses less digits than its factorization.

7990263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2838 (or 2835 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 36.

The square root of 7990263 is about 2826.7053259935. The cubic root of 7990263 is about 199.9188253912.

The spelling of 7990263 in words is "seven million, nine hundred ninety thousand, two hundred sixty-three".