1381982924 has 24 divisors (see below), whose sum is σ = 2822776320. Its totient is φ = 579676176.

The previous prime is 1381982863. The next prime is 1381982957. The reversal of 1381982924 is 4292891831.

It is a Harshad number since it is a multiple of its sum of digits (47).

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, 523754 + ... + 526385.

It is an arithmetic number, because the mean of its divisors is an integer number (117615680).

Almost surely, 2^1381982924 is an apocalyptic number.

1381982924 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1381982924 is an abundant number, since it is smaller than the sum of its proper divisors (1440793396).

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

1381982924 is a wasteful number, since it uses less digits than its factorization.

1381982924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1050197 (or 1050195 counting only the distinct ones).

The product of its digits is 248832, while the sum is 47.

The square root of 1381982924 is about 37175.0309213052. The cubic root of 1381982924 is about 1113.8692778202.

The spelling of 1381982924 in words is "one billion, three hundred eighty-one million, nine hundred eighty-two thousand, nine hundred twenty-four".