398947199 has 8 divisors (see below), whose sum is σ = 479936640. Its totient is φ = 323957016.

The previous prime is 398947193. The next prime is 398947201. The reversal of 398947199 is 991749893.

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

It is a cyclic number.

It is not a de Polignac number, because 398947199 - 2⁴ = 398947183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (398947193) 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, 1499669 + ... + 1499934.

It is an arithmetic number, because the mean of its divisors is an integer number (59992080).

Almost surely, 2^398947199 is an apocalyptic number.

398947199 is a deficient number, since it is larger than the sum of its proper divisors (80989441).

398947199 is a wasteful number, since it uses less digits than its factorization.

398947199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2999629.

The product of its digits is 4408992, while the sum is 59.

The square root of 398947199 is about 19973.6626335782. The cubic root of 398947199 is about 736.1593064253.

The spelling of 398947199 in words is "three hundred ninety-eight million, nine hundred forty-seven thousand, one hundred ninety-nine".