1382864 has 20 divisors (see below), whose sum is σ = 3062304. Its totient is φ = 592608.

The previous prime is 1382861. The next prime is 1382891. The reversal of 1382864 is 4682831.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1382864.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1382861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6062 + ... + 6285.

2^1382864 is an apocalyptic number.

1382864 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1382864 is an abundant number, since it is smaller than the sum of its proper divisors (1679440).

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

1382864 is a wasteful number, since it uses less digits than its factorization.

1382864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12362 (or 12356 counting only the distinct ones).

The product of its digits is 9216, while the sum is 32.

The square root of 1382864 is about 1175.9523799882. The cubic root of 1382864 is about 111.4105941381.

The spelling of 1382864 in words is "one million, three hundred eighty-two thousand, eight hundred sixty-four".