1380964 has 12 divisors (see below), whose sum is σ = 2602684. Its totient is φ = 637344.

The previous prime is 1380959. The next prime is 1380971. The reversal of 1380964 is 4690831.

It can be written as a sum of positive squares in 2 ways, for example, as 396900 + 984064 = 630^2 + 992^2 .

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13227 + ... + 13330.

2^1380964 is an apocalyptic number.

It is an amenable number.

1380964 is a deficient number, since it is larger than the sum of its proper divisors (1221720).

1380964 is a wasteful number, since it uses less digits than its factorization.

1380964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26574 (or 26572 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 1380964 is about 1175.1442464651. The cubic root of 1380964 is about 111.3595461802.

The spelling of 1380964 in words is "one million, three hundred eighty thousand, nine hundred sixty-four".