7628646 has 16 divisors (see below), whose sum is σ = 15467184. Its totient is φ = 2507904.

The previous prime is 7628629. The next prime is 7628657. The reversal of 7628646 is 6468267.

It is a Curzon number.

It is a congruent 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, 8271 + ... + 9146.

It is an arithmetic number, because the mean of its divisors is an integer number (966699).

Almost surely, 2^7628646 is an apocalyptic number.

7628646 is an abundant number, since it is smaller than the sum of its proper divisors (7838538).

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

7628646 is a wasteful number, since it uses less digits than its factorization.

7628646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17495.

The product of its digits is 96768, while the sum is 39.

The square root of 7628646 is about 2762.0003620565. Note that the first 3 decimals coincide. The cubic root of 7628646 is about 196.8562256725.

The spelling of 7628646 in words is "seven million, six hundred twenty-eight thousand, six hundred forty-six".