998645324 has 6 divisors (see below), whose sum is σ = 1747629324. Its totient is φ = 499322660.

The previous prime is 998645321. The next prime is 998645353. The reversal of 998645324 is 423546899.

998645324 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (998645321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124830662 + ... + 124830669.

It is an arithmetic number, because the mean of its divisors is an integer number (291271554).

Almost surely, 2^998645324 is an apocalyptic number.

It is an amenable number.

998645324 is a deficient number, since it is larger than the sum of its proper divisors (748984000).

998645324 is a wasteful number, since it uses less digits than its factorization.

998645324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249661335 (or 249661333 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 50.

The square root of 998645324 is about 31601.3500344526. The cubic root of 998645324 is about 999.5482372745.

The spelling of 998645324 in words is "nine hundred ninety-eight million, six hundred forty-five thousand, three hundred twenty-four".