394853413 has 2 divisors, whose sum is σ = 394853414. Its totient is φ = 394853412.

The previous prime is 394853399. The next prime is 394853447. The reversal of 394853413 is 314358493.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 391762849 + 3090564 = 19793^2 + 1758^2 .

It is a cyclic number.

It is not a de Polignac number, because 394853413 - 2⁹ = 394852901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (394853453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 197426706 + 197426707.

It is an arithmetic number, because the mean of its divisors is an integer number (197426707).

Almost surely, 2^394853413 is an apocalyptic number.

It is an amenable number.

394853413 is a deficient number, since it is larger than the sum of its proper divisors (1).

394853413 is an equidigital number, since it uses as much as digits as its factorization.

394853413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 155520, while the sum is 40.

The square root of 394853413 is about 19870.9187759399. The cubic root of 394853413 is about 733.6326177628.

The spelling of 394853413 in words is "three hundred ninety-four million, eight hundred fifty-three thousand, four hundred thirteen".