998191344 has 40 divisors (see below), whose sum is σ = 2579830912. Its totient is φ = 332579520.

The previous prime is 998191333. The next prime is 998191361. The reversal of 998191344 is 443191899.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 998191293 and 998191302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165567 + ... + 171489.

Almost surely, 2^998191344 is an apocalyptic number.

It is an amenable number.

998191344 is an abundant number, since it is smaller than the sum of its proper divisors (1581639568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

998191344 is a wasteful number, since it uses less digits than its factorization.

998191344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9445 (or 9439 counting only the distinct ones).

The product of its digits is 279936, while the sum is 48.

The square root of 998191344 is about 31594.1662969606. The cubic root of 998191344 is about 999.3967508303.

The spelling of 998191344 in words is "nine hundred ninety-eight million, one hundred ninety-one thousand, three hundred forty-four".