998387713 has 8 divisors (see below), whose sum is σ = 1061140608. Its totient is φ = 936081984.

The previous prime is 998387693. The next prime is 998387743. The reversal of 998387713 is 317783899.

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

It is a cyclic number.

It is not a de Polignac number, because 998387713 - 2²⁹ = 461516801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (998387743) 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, 107181 + ... + 116122.

It is an arithmetic number, because the mean of its divisors is an integer number (132642576).

Almost surely, 2^998387713 is an apocalyptic number.

It is an amenable number.

998387713 is a deficient number, since it is larger than the sum of its proper divisors (62752895).

998387713 is a wasteful number, since it uses less digits than its factorization.

998387713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223583.

The product of its digits is 2286144, while the sum is 55.

The square root of 998387713 is about 31597.2738222778. The cubic root of 998387713 is about 999.4622819111.

The spelling of 998387713 in words is "nine hundred ninety-eight million, three hundred eighty-seven thousand, seven hundred thirteen".