398949199 has 8 divisors (see below), whose sum is σ = 449256960. Its totient is φ = 350981400.

The previous prime is 398949197. The next prime is 398949203. The reversal of 398949199 is 991949893.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 398949199 - 2¹ = 398949197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (398949197) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 584629 + ... + 585310.

It is an arithmetic number, because the mean of its divisors is an integer number (56157120).

Almost surely, 2^398949199 is an apocalyptic number.

398949199 is a deficient number, since it is larger than the sum of its proper divisors (50307761).

398949199 is a wasteful number, since it uses less digits than its factorization.

398949199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1169981.

The product of its digits is 5668704, while the sum is 61.

The square root of 398949199 is about 19973.7126994457. The cubic root of 398949199 is about 736.1605365933.

The spelling of 398949199 in words is "three hundred ninety-eight million, nine hundred forty-nine thousand, one hundred ninety-nine".