1368320 has 36 divisors (see below), whose sum is σ = 3280620. Its totient is φ = 546816.

The previous prime is 1368319. The next prime is 1368329. The reversal of 1368320 is 238631.

It can be written as a sum of positive squares in 2 ways, for example, as 565504 + 802816 = 752^2 + 896^2 .

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1368329) 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, 746 + ... + 1814.

2^1368320 is an apocalyptic number.

1368320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1368320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1640310).

1368320 is an abundant number, since it is smaller than the sum of its proper divisors (1912300).

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

1368320 is an equidigital number, since it uses as much as digits as its factorization.

1368320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1090 (or 1076 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 1368320 is about 1169.7521104918. The cubic root of 1368320 is about 111.0186371325.

The spelling of 1368320 in words is "one million, three hundred sixty-eight thousand, three hundred twenty".