1364864 has 16 divisors (see below), whose sum is σ = 2719320. Its totient is φ = 682368.

The previous prime is 1364861. The next prime is 1364897. The reversal of 1364864 is 4684631.

It is a tau number, because it is divible by the number of its divisors (16).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 1364864.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1364861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5204 + ... + 5459.

2^1364864 is an apocalyptic number.

It is an amenable number.

1364864 is a deficient number, since it is larger than the sum of its proper divisors (1354456).

1364864 is an equidigital number, since it uses as much as digits as its factorization.

1364864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10677 (or 10665 counting only the distinct ones).

The product of its digits is 13824, while the sum is 32.

The square root of 1364864 is about 1168.2739404780. The cubic root of 1364864 is about 110.9250908159.

The spelling of 1364864 in words is "one million, three hundred sixty-four thousand, eight hundred sixty-four".