408949199 has 2 divisors, whose sum is σ = 408949200. Its totient is φ = 408949198.

The previous prime is 408949193. The next prime is 408949231. The reversal of 408949199 is 991949804.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 408949199 - 2²⁸ = 140513743 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 408949199.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (408949193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 204474599 + 204474600.

It is an arithmetic number, because the mean of its divisors is an integer number (204474600).

Almost surely, 2^408949199 is an apocalyptic number.

408949199 is a deficient number, since it is larger than the sum of its proper divisors (1).

408949199 is an equidigital number, since it uses as much as digits as its factorization.

408949199 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 839808, while the sum is 53.

The square root of 408949199 is about 20222.4924032623. The cubic root of 408949199 is about 742.2606779708.

The spelling of 408949199 in words is "four hundred eight million, nine hundred forty-nine thousand, one hundred ninety-nine".