399014461 has 2 divisors, whose sum is σ = 399014462. Its totient is φ = 399014460.

The previous prime is 399014437. The next prime is 399014467. The reversal of 399014461 is 164410993.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 292615236 + 106399225 = 17106^2 + 10315^2 .

It is a cyclic number.

It is not a de Polignac number, because 399014461 - 2¹⁷ = 398883389 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 399014461.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (399014467) 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, 199507230 + 199507231.

It is an arithmetic number, because the mean of its divisors is an integer number (199507231).

Almost surely, 2^399014461 is an apocalyptic number.

It is an amenable number.

399014461 is a deficient number, since it is larger than the sum of its proper divisors (1).

399014461 is an equidigital number, since it uses as much as digits as its factorization.

399014461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 399014461 is about 19975.3463299138. The cubic root of 399014461 is about 736.2006759473.

The spelling of 399014461 in words is "three hundred ninety-nine million, fourteen thousand, four hundred sixty-one".