313402646 has 8 divisors (see below), whose sum is σ = 490543344. Its totient is φ = 149888200.

The previous prime is 313402643. The next prime is 313402657. The reversal of 313402646 is 646204313.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313402643) 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 3 ways as a sum of consecutive naturals, for example, 3406505 + ... + 3406596.

It is an arithmetic number, because the mean of its divisors is an integer number (61317918).

Almost surely, 2^313402646 is an apocalyptic number.

313402646 is a deficient number, since it is larger than the sum of its proper divisors (177140698).

313402646 is a wasteful number, since it uses less digits than its factorization.

313402646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6813126.

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 313402646 is about 17703.1818044102. The cubic root of 313402646 is about 679.2571515927.

Adding to 313402646 its reverse (646204313), we get a palindrome (959606959).

The spelling of 313402646 in words is "three hundred thirteen million, four hundred two thousand, six hundred forty-six".