400364317 has 2 divisors, whose sum is σ = 400364318. Its totient is φ = 400364316.

The previous prime is 400364281. The next prime is 400364353. The reversal of 400364317 is 713463004.

It is a balanced prime because it is at equal distance from previous prime (400364281) and next prime (400364353).

It can be written as a sum of positive squares in only one way, i.e., 347859801 + 52504516 = 18651^2 + 7246^2 .

It is a cyclic number.

It is not a de Polignac number, because 400364317 - 2¹⁵ = 400331549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (400364117) 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 as a sum of consecutive naturals, namely, 200182158 + 200182159.

It is an arithmetic number, because the mean of its divisors is an integer number (200182159).

Almost surely, 2^400364317 is an apocalyptic number.

It is an amenable number.

400364317 is a deficient number, since it is larger than the sum of its proper divisors (1).

400364317 is an equidigital number, since it uses as much as digits as its factorization.

400364317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 400364317 is about 20009.1058520864. The cubic root of 400364317 is about 737.0299244005.

The spelling of 400364317 in words is "four hundred million, three hundred sixty-four thousand, three hundred seventeen".