998754473 has 4 divisors (see below), whose sum is σ = 999536640. Its totient is φ = 997972308.

The previous prime is 998754457. The next prime is 998754487. The reversal of 998754473 is 374457899.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 998754473 - 2⁴ = 998754457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (998754433) 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, 389165 + ... + 391722.

It is an arithmetic number, because the mean of its divisors is an integer number (249884160).

Almost surely, 2^998754473 is an apocalyptic number.

It is an amenable number.

998754473 is a deficient number, since it is larger than the sum of its proper divisors (782167).

998754473 is a wasteful number, since it uses less digits than its factorization.

998754473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 782166.

The product of its digits is 7620480, while the sum is 56.

The square root of 998754473 is about 31603.0769546258. The cubic root of 998754473 is about 999.5846518431.

The spelling of 998754473 in words is "nine hundred ninety-eight million, seven hundred fifty-four thousand, four hundred seventy-three".