1338764 has 24 divisors (see below), whose sum is σ = 2704800. Its totient is φ = 567936.

The previous prime is 1338751. The next prime is 1338781. The reversal of 1338764 is 4678331.

It is a self number, because there is not a number n which added to its sum of digits gives 1338764.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3662 + ... + 4010.

It is an arithmetic number, because the mean of its divisors is an integer number (112700).

2^1338764 is an apocalyptic number.

1338764 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1338764 is an abundant number, since it is smaller than the sum of its proper divisors (1366036).

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

1338764 is a wasteful number, since it uses less digits than its factorization.

1338764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497 (or 495 counting only the distinct ones).

The product of its digits is 12096, while the sum is 32.

The square root of 1338764 is about 1157.0496964262. The cubic root of 1338764 is about 110.2134697628.

The spelling of 1338764 in words is "one million, three hundred thirty-eight thousand, seven hundred sixty-four".