398846995 has 8 divisors (see below), whose sum is σ = 487647216. Its totient is φ = 313057056.

The previous prime is 398846971. The next prime is 398847019. The reversal of 398846995 is 599648893.

It is an interprime number because it is at equal distance from previous prime (398846971) and next prime (398847019).

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 398846995 - 2⁵ = 398846963 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 752277 + ... + 752806.

It is an arithmetic number, because the mean of its divisors is an integer number (60955902).

Almost surely, 2^398846995 is an apocalyptic number.

398846995 is a deficient number, since it is larger than the sum of its proper divisors (88800221).

398846995 is a wasteful number, since it uses less digits than its factorization.

398846995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1505141.

The product of its digits is 16796160, while the sum is 61.

The square root of 398846995 is about 19971.1540728121. The cubic root of 398846995 is about 736.0976672877.

The spelling of 398846995 in words is "three hundred ninety-eight million, eight hundred forty-six thousand, nine hundred ninety-five".