400313346 has 16 divisors (see below), whose sum is σ = 815733504. Its totient is φ = 130919984.

The previous prime is 400313317. The next prime is 400313351. The reversal of 400313346 is 643313004.

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, 629106 + ... + 629741.

It is an arithmetic number, because the mean of its divisors is an integer number (50983344).

Almost surely, 2^400313346 is an apocalyptic number.

400313346 is an abundant number, since it is smaller than the sum of its proper divisors (415420158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

400313346 is a wasteful number, since it uses less digits than its factorization.

400313346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1258905.

The product of its (nonzero) digits is 2592, while the sum is 24.

The square root of 400313346 is about 20007.8321164488. The cubic root of 400313346 is about 736.9986456001.

It can be divided in two parts, 40031334 and 6, that multiplied together give a square (240188004 = 15498²).

The spelling of 400313346 in words is "four hundred million, three hundred thirteen thousand, three hundred forty-six".