398211059 has 4 divisors (see below), whose sum is σ = 398271216. Its totient is φ = 398150904.

The previous prime is 398211053. The next prime is 398211061. The reversal of 398211059 is 950112893.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 950112893 = 31 ⋅30648803.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-398211059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (398211053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18719 + ... + 33864.

It is an arithmetic number, because the mean of its divisors is an integer number (99567804).

Almost surely, 2^398211059 is an apocalyptic number.

398211059 is a deficient number, since it is larger than the sum of its proper divisors (60157).

398211059 is an equidigital number, since it uses as much as digits as its factorization.

398211059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60156.

The product of its (nonzero) digits is 19440, while the sum is 38.

The square root of 398211059 is about 19955.2263580246. The cubic root of 398211059 is about 735.7062389759.

The spelling of 398211059 in words is "three hundred ninety-eight million, two hundred eleven thousand, fifty-nine".