400314613 has 8 divisors (see below), whose sum is σ = 405230040. Its totient is φ = 395408640.

The previous prime is 400314601. The next prime is 400314641. The reversal of 400314613 is 316413004.

It can be written as a sum of positive squares in 4 ways, for example, as 61496964 + 338817649 = 7842^2 + 18407^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 400314613 - 2¹⁷ = 400183541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400314643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121281 + ... + 124537.

It is an arithmetic number, because the mean of its divisors is an integer number (50653755).

Almost surely, 2^400314613 is an apocalyptic number.

It is an amenable number.

400314613 is a deficient number, since it is larger than the sum of its proper divisors (4915427).

400314613 is a wasteful number, since it uses less digits than its factorization.

400314613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4727.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 400314613 is about 20007.8637790245. The cubic root of 400314613 is about 736.9994231380. Note that the first 3 decimals are identical.

Adding to 400314613 its reverse (316413004), we get a palindrome (716727617).

It can be divided in two parts, 40031 and 4613, that added together give a palindrome (44644).

The spelling of 400314613 in words is "four hundred million, three hundred fourteen thousand, six hundred thirteen".