398583085 has 16 divisors (see below), whose sum is σ = 482711040. Its totient is φ = 315938880.

The previous prime is 398583079. The next prime is 398583103. The reversal of 398583085 is 580385893.

It is not a de Polignac number, because 398583085 - 2⁷ = 398582957 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 389875 + ... + 390895.

It is an arithmetic number, because the mean of its divisors is an integer number (30169440).

Almost surely, 2^398583085 is an apocalyptic number.

It is an amenable number.

398583085 is a deficient number, since it is larger than the sum of its proper divisors (84127955).

398583085 is a wasteful number, since it uses less digits than its factorization.

398583085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1668.

The product of its (nonzero) digits is 1036800, while the sum is 49.

The square root of 398583085 is about 19964.5456998150. The cubic root of 398583085 is about 735.9352771978.

The spelling of 398583085 in words is "three hundred ninety-eight million, five hundred eighty-three thousand, eighty-five".