398859003 has 6 divisors (see below), whose sum is σ = 576129684. Its totient is φ = 265905996.

The previous prime is 398858983. The next prime is 398859067. The reversal of 398859003 is 300958893.

It is not a de Polignac number, because 398859003 - 2¹⁶ = 398793467 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 398859003.

It is not an unprimeable number, because it can be changed into a prime (398859803) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22158825 + ... + 22158842.

It is an arithmetic number, because the mean of its divisors is an integer number (96021614).

Almost surely, 2^398859003 is an apocalyptic number.

398859003 is a deficient number, since it is larger than the sum of its proper divisors (177270681).

398859003 is a wasteful number, since it uses less digits than its factorization.

398859003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44317673 (or 44317670 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The square root of 398859003 is about 19971.4547041521. The cubic root of 398859003 is about 736.1050543912.

The spelling of 398859003 in words is "three hundred ninety-eight million, eight hundred fifty-nine thousand, three".