7949388 has 12 divisors (see below), whose sum is σ = 18548600. Its totient is φ = 2649792.

The previous prime is 7949377. The next prime is 7949399. The reversal of 7949388 is 8839497.

It is an interprime number because it is at equal distance from previous prime (7949377) and next prime (7949399).

It is a tau number, because it is divible by the number of its divisors (12).

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 3 ways as a sum of consecutive naturals, for example, 331213 + ... + 331236.

Almost surely, 2^7949388 is an apocalyptic number.

It is an amenable number.

7949388 is an abundant number, since it is smaller than the sum of its proper divisors (10599212).

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

7949388 is a wasteful number, since it uses less digits than its factorization.

7949388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662456 (or 662454 counting only the distinct ones).

The product of its digits is 435456, while the sum is 48.

The square root of 7949388 is about 2819.4659068696. The cubic root of 7949388 is about 199.5773407584.

The spelling of 7949388 in words is "seven million, nine hundred forty-nine thousand, three hundred eighty-eight".