398941173 has 8 divisors (see below), whose sum is σ = 591024000. Its totient is φ = 265960764.

The previous prime is 398941171. The next prime is 398941177. The reversal of 398941173 is 371149893.

398941173 is a `hidden beast` number, since 398 + 94 + 1 + 173 = 666.

It is not a de Polignac number, because 398941173 - 2¹ = 398941171 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (398941171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7387773 + ... + 7387826.

It is an arithmetic number, because the mean of its divisors is an integer number (73878000).

Almost surely, 2^398941173 is an apocalyptic number.

It is an amenable number.

398941173 is a deficient number, since it is larger than the sum of its proper divisors (192082827).

398941173 is a wasteful number, since it uses less digits than its factorization.

398941173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14775608 (or 14775602 counting only the distinct ones).

The product of its digits is 163296, while the sum is 45.

The square root of 398941173 is about 19973.5117843608. The cubic root of 398941173 is about 736.1555999045.

The spelling of 398941173 in words is "three hundred ninety-eight million, nine hundred forty-one thousand, one hundred seventy-three".