1868397324 has 24 divisors (see below), whose sum is σ = 4362981168. Its totient is φ = 622315200.

The previous prime is 1868397277. The next prime is 1868397329. The reversal of 1868397324 is 4237938681.

It is not an unprimeable number, because it can be changed into a prime (1868397329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44227 + ... + 75450.

It is an arithmetic number, because the mean of its divisors is an integer number (181790882).

Almost surely, 2^1868397324 is an apocalyptic number.

It is an amenable number.

1868397324 is an abundant number, since it is smaller than the sum of its proper divisors (2494583844).

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

1868397324 is a wasteful number, since it uses less digits than its factorization.

1868397324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120985 (or 120983 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 51.

The square root of 1868397324 is about 43224.9618160618. The cubic root of 1868397324 is about 1231.6569037793.

The spelling of 1868397324 in words is "one billion, eight hundred sixty-eight million, three hundred ninety-seven thousand, three hundred twenty-four".