7683990 has 16 divisors (see below), whose sum is σ = 18441648. Its totient is φ = 2049056.

The previous prime is 7683989. The next prime is 7684007. The reversal of 7683990 is 993867.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128037 + ... + 128096.

It is an arithmetic number, because the mean of its divisors is an integer number (1152603).

Almost surely, 2^7683990 is an apocalyptic number.

7683990 is an abundant number, since it is smaller than the sum of its proper divisors (10757658).

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

7683990 is a wasteful number, since it uses less digits than its factorization.

7683990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256143.

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 7683990 is about 2772.0010822509. The cubic root of 7683990 is about 197.3311273443.

The spelling of 7683990 in words is "seven million, six hundred eighty-three thousand, nine hundred ninety".