7640946 has 16 divisors (see below), whose sum is σ = 16980000. Its totient is φ = 2546964.

The previous prime is 7640933. The next prime is 7640987. The reversal of 7640946 is 6490467.

7640946 is a `hidden beast` number, since 7 + 640 + 9 + 4 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 7640946.

It is an unprimeable number.

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, 70696 + ... + 70803.

It is an arithmetic number, because the mean of its divisors is an integer number (1061250).

Almost surely, 2^7640946 is an apocalyptic number.

7640946 is an abundant number, since it is smaller than the sum of its proper divisors (9339054).

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

7640946 is a wasteful number, since it uses less digits than its factorization.

7640946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141510 (or 141504 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 7640946 is about 2764.2261123143. The cubic root of 7640946 is about 196.9619688324.

The spelling of 7640946 in words is "seven million, six hundred forty thousand, nine hundred forty-six".