7933990 has 8 divisors (see below), whose sum is σ = 14281200. Its totient is φ = 3173592.

The previous prime is 7933957. The next prime is 7934009. The reversal of 7933990 is 993397.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 396690 + ... + 396709.

It is an arithmetic number, because the mean of its divisors is an integer number (1785150).

Almost surely, 2^7933990 is an apocalyptic number.

7933990 is a deficient number, since it is larger than the sum of its proper divisors (6347210).

7933990 is a wasteful number, since it uses less digits than its factorization.

7933990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 793406.

The product of its (nonzero) digits is 45927, while the sum is 40.

The square root of 7933990 is about 2816.7339242463. The cubic root of 7933990 is about 199.4483967345.

The spelling of 7933990 in words is "seven million, nine hundred thirty-three thousand, nine hundred ninety".