1333864 has 16 divisors (see below), whose sum is σ = 2858400. Its totient is φ = 571632.

The previous prime is 1333841. The next prime is 1333867. The reversal of 1333864 is 4683331.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a zygodrome in base 6.

It is not an unprimeable number, because it can be changed into a prime (1333867) 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, 11854 + ... + 11965.

It is an arithmetic number, because the mean of its divisors is an integer number (178650).

2^1333864 is an apocalyptic number.

1333864 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1333864 is an abundant number, since it is smaller than the sum of its proper divisors (1524536).

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

1333864 is a wasteful number, since it uses less digits than its factorization.

1333864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23832 (or 23828 counting only the distinct ones).

The product of its digits is 5184, while the sum is 28.

The square root of 1333864 is about 1154.9303009273. The cubic root of 1333864 is about 110.0788415491.

It can be divided in two parts, 1333 and 864, that added together give a cube (2197 = 13³).

The spelling of 1333864 in words is "one million, three hundred thirty-three thousand, eight hundred sixty-four".