7998910 has 8 divisors (see below), whose sum is σ = 14398056. Its totient is φ = 3199560.

The previous prime is 7998863. The next prime is 7998937. The reversal of 7998910 is 198997.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×7998910² = 127965122376200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 399936 + ... + 399955.

It is an arithmetic number, because the mean of its divisors is an integer number (1799757).

Almost surely, 2^7998910 is an apocalyptic number.

7998910 is a deficient number, since it is larger than the sum of its proper divisors (6399146).

7998910 is a wasteful number, since it uses less digits than its factorization.

7998910 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 799898.

The product of its (nonzero) digits is 40824, while the sum is 43.

The square root of 7998910 is about 2828.2344315845. The cubic root of 7998910 is about 199.9909162541.

It can be divided in two parts, 79 and 98910, that added together give a palindrome (98989).

The spelling of 7998910 in words is "seven million, nine hundred ninety-eight thousand, nine hundred ten".