1987383324 has 24 divisors (see below), whose sum is σ = 4750332048. Its totient is φ = 646303360.

The previous prime is 1987383323. The next prime is 1987383353. The reversal of 1987383324 is 4233837891.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1987383323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2019207 + ... + 2020190.

It is an arithmetic number, because the mean of its divisors is an integer number (197930502).

Almost surely, 2^1987383324 is an apocalyptic number.

It is an amenable number.

1987383324 is an abundant number, since it is smaller than the sum of its proper divisors (2762948724).

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

1987383324 is a wasteful number, since it uses less digits than its factorization.

1987383324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4039445 (or 4039443 counting only the distinct ones).

The product of its digits is 870912, while the sum is 48.

The square root of 1987383324 is about 44580.0776580750. The cubic root of 1987383324 is about 1257.2661233740.

The spelling of 1987383324 in words is "one billion, nine hundred eighty-seven million, three hundred eighty-three thousand, three hundred twenty-four".