1390376288 has 48 divisors (see below), whose sum is σ = 3229277184. Its totient is φ = 576650880.

The previous prime is 1390376213. The next prime is 1390376327. The reversal of 1390376288 is 8826730931.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93170 + ... + 107057.

It is an arithmetic number, because the mean of its divisors is an integer number (67276608).

Almost surely, 2^1390376288 is an apocalyptic number.

It is an amenable number.

1390376288 is an abundant number, since it is smaller than the sum of its proper divisors (1838900896).

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

1390376288 is a wasteful number, since it uses less digits than its factorization.

1390376288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200275 (or 200267 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 47.

The square root of 1390376288 is about 37287.7498382512. The cubic root of 1390376288 is about 1116.1197269665.

The spelling of 1390376288 in words is "one billion, three hundred ninety million, three hundred seventy-six thousand, two hundred eighty-eight".