6426590 has 16 divisors (see below), whose sum is σ = 11608272. Its totient is φ = 2561664.

The previous prime is 6426587. The next prime is 6426593. The reversal of 6426590 is 956246.

It is an interprime number because it is at equal distance from previous prime (6426587) and next prime (6426593).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6426593) by changing a digit.

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, 2417 + ... + 4323.

It is an arithmetic number, because the mean of its divisors is an integer number (725517).

Almost surely, 2^6426590 is an apocalyptic number.

6426590 is a deficient number, since it is larger than the sum of its proper divisors (5181682).

6426590 is a wasteful number, since it uses less digits than its factorization.

6426590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2251.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 6426590 is about 2535.0719910882. The cubic root of 6426590 is about 185.9203227547.

The spelling of 6426590 in words is "six million, four hundred twenty-six thousand, five hundred ninety".