1591296 has 96 divisors (see below), whose sum is σ = 4979520. Its totient is φ = 442368.

The previous prime is 1591277. The next prime is 1591313. The reversal of 1591296 is 6921951.

It is a tau number, because it is divible by the number of its divisors (96).

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, 42990 + ... + 43026.

It is an arithmetic number, because the mean of its divisors is an integer number (51870).

2^1591296 is an apocalyptic number.

1591296 is a gapful number since it is divisible by the number (16) 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 1591296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2489760).

1591296 is an abundant number, since it is smaller than the sum of its proper divisors (3388224).

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

1591296 is an equidigital number, since it uses as much as digits as its factorization.

1591296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69 (or 49 counting only the distinct ones).

The product of its digits is 4860, while the sum is 33.

The square root of 1591296 is about 1261.4658140433. The cubic root of 1591296 is about 116.7482350211.

The spelling of 1591296 in words is "one million, five hundred ninety-one thousand, two hundred ninety-six".