7656906 has 16 divisors (see below), whose sum is σ = 15348384. Its totient is φ = 2546544.

The previous prime is 7656893. The next prime is 7656931. The reversal of 7656906 is 6096567.

It is a happy number.

It is a Curzon number.

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, 2116 + ... + 4448.

It is an arithmetic number, because the mean of its divisors is an integer number (959274).

Almost surely, 2^7656906 is an apocalyptic number.

7656906 is an abundant number, since it is smaller than the sum of its proper divisors (7691478).

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

7656906 is a wasteful number, since it uses less digits than its factorization.

7656906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2885.

The product of its (nonzero) digits is 68040, while the sum is 39.

The square root of 7656906 is about 2767.1114903451. Note that the first 3 decimals coincide. The cubic root of 7656906 is about 197.0990080110.

The spelling of 7656906 in words is "seven million, six hundred fifty-six thousand, nine hundred six".