7949664 has 60 divisors (see below), whose sum is σ = 23387364. Its totient is φ = 2649024.

The previous prime is 7949653. The next prime is 7949677. The reversal of 7949664 is 4669497.

It is a nialpdrome in base 6.

It is a zygodrome in base 6.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1059 + ... + 4125.

Almost surely, 2^7949664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7949664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11693682).

7949664 is an abundant number, since it is smaller than the sum of its proper divisors (15437700).

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

7949664 is a wasteful number, since it uses less digits than its factorization.

7949664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3089 (or 3072 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The square root of 7949664 is about 2819.5148518850. The cubic root of 7949664 is about 199.5796504837.

The spelling of 7949664 in words is "seven million, nine hundred forty-nine thousand, six hundred sixty-four".