1380517884 has 48 divisors (see below), whose sum is σ = 3767500800. Its totient is φ = 435952368.

The previous prime is 1380517877. The next prime is 1380517889. The reversal of 1380517884 is 4887150831.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1380517889) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 334332 + ... + 338435.

It is an arithmetic number, because the mean of its divisors is an integer number (78489600).

Almost surely, 2^1380517884 is an apocalyptic number.

It is an amenable number.

1380517884 is an abundant number, since it is smaller than the sum of its proper divisors (2386982916).

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

1380517884 is a wasteful number, since it uses less digits than its factorization.

1380517884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672799 (or 672791 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 45.

The square root of 1380517884 is about 37155.3210724924. The cubic root of 1380517884 is about 1113.4755344040.

The spelling of 1380517884 in words is "one billion, three hundred eighty million, five hundred seventeen thousand, eight hundred eighty-four".