1379909352 has 64 divisors (see below), whose sum is σ = 3650011200. Its totient is φ = 433520640.

The previous prime is 1379909341. The next prime is 1379909381. The reversal of 1379909352 is 2539099731.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 82152 + ... + 97512.

It is an arithmetic number, because the mean of its divisors is an integer number (57031425).

Almost surely, 2^1379909352 is an apocalyptic number.

1379909352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1379909352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1825005600).

1379909352 is an abundant number, since it is smaller than the sum of its proper divisors (2270101848).

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

1379909352 is a wasteful number, since it uses less digits than its factorization.

1379909352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15586 (or 15582 counting only the distinct ones).

The product of its (nonzero) digits is 459270, while the sum is 48.

The square root of 1379909352 is about 37147.1311409105. The cubic root of 1379909352 is about 1113.3119037632.

The spelling of 1379909352 in words is "one billion, three hundred seventy-nine million, nine hundred nine thousand, three hundred fifty-two".