7640396 has 12 divisors (see below), whose sum is σ = 13391448. Its totient is φ = 3814272.

The previous prime is 7640377. The next prime is 7640411. The reversal of 7640396 is 6930467.

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, 2780 + ... + 4796.

It is an arithmetic number, because the mean of its divisors is an integer number (1115954).

Almost surely, 2^7640396 is an apocalyptic number.

It is an amenable number.

7640396 is a deficient number, since it is larger than the sum of its proper divisors (5751052).

7640396 is a wasteful number, since it uses less digits than its factorization.

7640396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2968 (or 2966 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 35.

The square root of 7640396 is about 2764.1266251748. The cubic root of 7640396 is about 196.9572429044.

The spelling of 7640396 in words is "seven million, six hundred forty thousand, three hundred ninety-six".