1324401998 has 16 divisors (see below), whose sum is σ = 2018946384. Its totient is φ = 651446400.

The previous prime is 1324401977. The next prime is 1324402039. The reversal of 1324401998 is 8991044231.

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, 100598 + ... + 112998.

It is an arithmetic number, because the mean of its divisors is an integer number (126184149).

Almost surely, 2^1324401998 is an apocalyptic number.

1324401998 is a deficient number, since it is larger than the sum of its proper divisors (694544386).

1324401998 is a wasteful number, since it uses less digits than its factorization.

1324401998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13267.

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 1324401998 is about 36392.3343301855. The cubic root of 1324401998 is about 1098.1793568562.

The spelling of 1324401998 in words is "one billion, three hundred twenty-four million, four hundred one thousand, nine hundred ninety-eight".