1591360 has 28 divisors (see below), whose sum is σ = 3790188. Its totient is φ = 636416.

The previous prime is 1591351. The next prime is 1591363. The reversal of 1591360 is 631951.

It can be written as a sum of positive squares in 2 ways, for example, as 802816 + 788544 = 896^2 + 888^2 .

It is not an unprimeable number, because it can be changed into a prime (1591363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2167 + ... + 2806.

2^1591360 is an apocalyptic number.

1591360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1591360 is an abundant number, since it is smaller than the sum of its proper divisors (2198828).

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

1591360 is an equidigital number, since it uses as much as digits as its factorization.

1591360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4990 (or 4980 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 25.

The square root of 1591360 is about 1261.4911811027. The cubic root of 1591360 is about 116.7498001577.

It can be divided in two parts, 1 and 591360, that added together give a square (591361 = 769²).

The spelling of 1591360 in words is "one million, five hundred ninety-one thousand, three hundred sixty".