1379984015 has 16 divisors (see below), whose sum is σ = 1736779968. Its totient is φ = 1050610176.

The previous prime is 1379983961. The next prime is 1379984063. The reversal of 1379984015 is 5104899731.

It is a cyclic number.

It is not a de Polignac number, because 1379984015 - 2³⁰ = 306242191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7802 + ... + 53111.

It is an arithmetic number, because the mean of its divisors is an integer number (108548748).

Almost surely, 2^1379984015 is an apocalyptic number.

1379984015 is a deficient number, since it is larger than the sum of its proper divisors (356795953).

1379984015 is a wasteful number, since it uses less digits than its factorization.

1379984015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61138.

The product of its (nonzero) digits is 272160, while the sum is 47.

The square root of 1379984015 is about 37148.1360905228. The cubic root of 1379984015 is about 1113.3319827893.

The spelling of 1379984015 in words is "one billion, three hundred seventy-nine million, nine hundred eighty-four thousand, fifteen".