1324159398 has 12 divisors (see below), whose sum is σ = 2869012068. Its totient is φ = 441386460.

The previous prime is 1324159373. The next prime is 1324159399. The reversal of 1324159398 is 8939514231.

It is a happy number.

1324159398 is a `hidden beast` number, since 13 + 2 + 41 + 593 + 9 + 8 = 666.

It is a super-2 number, since 2×1324159398² = 3506796222623444808, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1324159399) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 36782188 + ... + 36782223.

It is an arithmetic number, because the mean of its divisors is an integer number (239084339).

Almost surely, 2^1324159398 is an apocalyptic number.

1324159398 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1324159398 is an abundant number, since it is smaller than the sum of its proper divisors (1544852670).

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

1324159398 is a wasteful number, since it uses less digits than its factorization.

1324159398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73564419 (or 73564416 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The square root of 1324159398 is about 36389.0010580120. The cubic root of 1324159398 is about 1098.1122990240.

The spelling of 1324159398 in words is "one billion, three hundred twenty-four million, one hundred fifty-nine thousand, three hundred ninety-eight".