6990590 has 8 divisors (see below), whose sum is σ = 12583080. Its totient is φ = 2796232.

The previous prime is 6990563. The next prime is 6990611. The reversal of 6990590 is 950996.

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, 349520 + ... + 349539.

It is an arithmetic number, because the mean of its divisors is an integer number (1572885).

Almost surely, 2^6990590 is an apocalyptic number.

6990590 is a deficient number, since it is larger than the sum of its proper divisors (5592490).

6990590 is a wasteful number, since it uses less digits than its factorization.

6990590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 699066.

The product of its (nonzero) digits is 21870, while the sum is 38.

The square root of 6990590 is about 2643.9723901735. The cubic root of 6990590 is about 191.2073623035.

The spelling of 6990590 in words is "six million, nine hundred ninety thousand, five hundred ninety".