400471373 has 2 divisors, whose sum is σ = 400471374. Its totient is φ = 400471372.

The previous prime is 400471367. The next prime is 400471403. The reversal of 400471373 is 373174004.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 307020484 + 93450889 = 17522^2 + 9667^2 .

It is a cyclic number.

It is not a de Polignac number, because 400471373 - 2⁸ = 400471117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (400471343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200235686 + 200235687.

It is an arithmetic number, because the mean of its divisors is an integer number (200235687).

Almost surely, 2^400471373 is an apocalyptic number.

It is an amenable number.

400471373 is a deficient number, since it is larger than the sum of its proper divisors (1).

400471373 is an equidigital number, since it uses as much as digits as its factorization.

400471373 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7056, while the sum is 29.

The square root of 400471373 is about 20011.7808552862. The cubic root of 400471373 is about 737.0956116096.

The spelling of 400471373 in words is "four hundred million, four hundred seventy-one thousand, three hundred seventy-three".