7949688 has 32 divisors (see below), whose sum is σ = 20025600. Its totient is φ = 2629728.

The previous prime is 7949681. The next prime is 7949723. The reversal of 7949688 is 8869497.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 7949688.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7949681) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 2145 + ... + 4527.

It is an arithmetic number, because the mean of its divisors is an integer number (625800).

Almost surely, 2^7949688 is an apocalyptic number.

It is an amenable number.

7949688 is an abundant number, since it is smaller than the sum of its proper divisors (12075912).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7949688 is a wasteful number, since it uses less digits than its factorization.

7949688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2531 (or 2527 counting only the distinct ones).

The product of its digits is 870912, while the sum is 51.

The square root of 7949688 is about 2819.5191079331. The cubic root of 7949688 is about 199.5798513269.

The spelling of 7949688 in words is "seven million, nine hundred forty-nine thousand, six hundred eighty-eight".