398089303 has 4 divisors (see below), whose sum is σ = 400725808. Its totient is φ = 395452800.

The previous prime is 398089301. The next prime is 398089309. The reversal of 398089303 is 303980893.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 398089303 - 2¹ = 398089301 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 398089303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (398089301) 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, 1318026 + ... + 1318327.

It is an arithmetic number, because the mean of its divisors is an integer number (100181452).

Almost surely, 2^398089303 is an apocalyptic number.

398089303 is a deficient number, since it is larger than the sum of its proper divisors (2636505).

398089303 is a wasteful number, since it uses less digits than its factorization.

398089303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2636504.

The product of its (nonzero) digits is 139968, while the sum is 43.

The square root of 398089303 is about 19952.1753951793. The cubic root of 398089303 is about 735.6312487766.

The spelling of 398089303 in words is "three hundred ninety-eight million, eighty-nine thousand, three hundred three".