398602485 has 32 divisors (see below), whose sum is σ = 750314880. Its totient is φ = 200081664.

The previous prime is 398602439. The next prime is 398602493. The reversal of 398602485 is 584206893.

398602485 is a `hidden beast` number, since 39 + 8 + 602 + 4 + 8 + 5 = 666.

It is not a de Polignac number, because 398602485 - 2⁷ = 398602357 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 398602485.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 84547 + ... + 89136.

It is an arithmetic number, because the mean of its divisors is an integer number (23447340).

Almost surely, 2^398602485 is an apocalyptic number.

It is an amenable number.

398602485 is a deficient number, since it is larger than the sum of its proper divisors (351712395).

398602485 is a wasteful number, since it uses less digits than its factorization.

398602485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173714 (or 173708 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The square root of 398602485 is about 19965.0315551967. The cubic root of 398602485 is about 735.9472169190.

The spelling of 398602485 in words is "three hundred ninety-eight million, six hundred two thousand, four hundred eighty-five".