7998002 has 4 divisors (see below), whose sum is σ = 11997006. Its totient is φ = 3999000.

The previous prime is 7997989. The next prime is 7998013. The reversal of 7998002 is 2008997.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2008997 = 89 ⋅22573.

It can be written as a sum of positive squares in only one way, i.e., 6205081 + 1792921 = 2491^2 + 1339^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1999499 + ... + 1999502.

Almost surely, 2^7998002 is an apocalyptic number.

7998002 is a deficient number, since it is larger than the sum of its proper divisors (3999004).

7998002 is a wasteful number, since it uses less digits than its factorization.

7998002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3999003.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 7998002 is about 2828.0739028533. The cubic root of 7998002 is about 199.9833486137.

The spelling of 7998002 in words is "seven million, nine hundred ninety-eight thousand, two".