998170473 has 8 divisors (see below), whose sum is σ = 1331812000. Its totient is φ = 664987968.

The previous prime is 998170463. The next prime is 998170477. The reversal of 998170473 is 374071899.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 998170473 - 2⁵ = 998170441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (998170477) 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, 109648 + ... + 118401.

It is an arithmetic number, because the mean of its divisors is an integer number (166476500).

Almost surely, 2^998170473 is an apocalyptic number.

It is an amenable number.

998170473 is a deficient number, since it is larger than the sum of its proper divisors (333641527).

998170473 is a wasteful number, since it uses less digits than its factorization.

998170473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229511.

The product of its (nonzero) digits is 381024, while the sum is 48.

The square root of 998170473 is about 31593.8359969156. The cubic root of 998170473 is about 999.3897853805.

The spelling of 998170473 in words is "nine hundred ninety-eight million, one hundred seventy thousand, four hundred seventy-three".