1379987352 has 48 divisors (see below), whose sum is σ = 3743801880. Its totient is φ = 459216000.

The previous prime is 1379987333. The next prime is 1379987363. The reversal of 1379987352 is 2537899731.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27327 + ... + 59217.

Almost surely, 2^1379987352 is an apocalyptic number.

1379987352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1379987352 is an abundant number, since it is smaller than the sum of its proper divisors (2363814528).

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

1379987352 is a wasteful number, since it uses less digits than its factorization.

1379987352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32504 (or 32497 counting only the distinct ones).

The product of its digits is 2857680, while the sum is 54.

The square root of 1379987352 is about 37148.1810052659. The cubic root of 1379987352 is about 1113.3328801875.

The spelling of 1379987352 in words is "one billion, three hundred seventy-nine million, nine hundred eighty-seven thousand, three hundred fifty-two".