6470990 has 8 divisors (see below), whose sum is σ = 11647800. Its totient is φ = 2588392.

The previous prime is 6470987. The next prime is 6471013. The reversal of 6470990 is 990746.

It is a happy number.

6470990 is nontrivially palindromic in base 7.

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

It is a self number, because there is not a number n which added to its sum of digits gives 6470990.

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 3 ways as a sum of consecutive naturals, for example, 323540 + ... + 323559.

It is an arithmetic number, because the mean of its divisors is an integer number (1455975).

Almost surely, 2^6470990 is an apocalyptic number.

6470990 is a deficient number, since it is larger than the sum of its proper divisors (5176810).

6470990 is a wasteful number, since it uses less digits than its factorization.

6470990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647106.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 6470990 is about 2543.8140655323. The cubic root of 6470990 is about 186.3475023619.

The spelling of 6470990 in words is "six million, four hundred seventy thousand, nine hundred ninety".