6344690 has 16 divisors (see below), whose sum is σ = 12458880. Its totient is φ = 2307120.

The previous prime is 6344687. The next prime is 6344729. The reversal of 6344690 is 964436.

6344690 = 48² + 49² + ... + 267².

It is a super-2 number, since 2×6344690² = 80510182392200, which contains 22 as substring.

It is a Curzon number.

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 7 ways as a sum of consecutive naturals, for example, 28730 + ... + 28949.

It is an arithmetic number, because the mean of its divisors is an integer number (778680).

Almost surely, 2^6344690 is an apocalyptic number.

6344690 is a deficient number, since it is larger than the sum of its proper divisors (6114190).

6344690 is a wasteful number, since it uses less digits than its factorization.

6344690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57697.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 6344690 is about 2518.8668087059. The cubic root of 6344690 is about 185.1271587432.

It can be divided in two parts, 63446 and 90, that added together give a palindrome (63536).

The spelling of 6344690 in words is "six million, three hundred forty-four thousand, six hundred ninety".