1380516 has 24 divisors (see below), whose sum is σ = 3333120. Its totient is φ = 444192.

The previous prime is 1380499. The next prime is 1380517. The reversal of 1380516 is 6150831.

It is not an unprimeable number, because it can be changed into a prime (1380517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1636 + ... + 2331.

It is an arithmetic number, because the mean of its divisors is an integer number (138880).

2^1380516 is an apocalyptic number.

It is an amenable number.

1380516 is an abundant number, since it is smaller than the sum of its proper divisors (1952604).

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

1380516 is a wasteful number, since it uses less digits than its factorization.

1380516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4003 (or 4001 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 1380516 is about 1174.9536161058. The cubic root of 1380516 is about 111.3475027882.

The spelling of 1380516 in words is "one million, three hundred eighty thousand, five hundred sixteen".