1591960 has 16 divisors (see below), whose sum is σ = 3582000. Its totient is φ = 636768.

The previous prime is 1591949. The next prime is 1591969. The reversal of 1591960 is 691951.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1591969) 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, 19860 + ... + 19939.

It is an arithmetic number, because the mean of its divisors is an integer number (223875).

2^1591960 is an apocalyptic number.

1591960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1591960 is an abundant number, since it is smaller than the sum of its proper divisors (1990040).

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

1591960 is a wasteful number, since it uses less digits than its factorization.

1591960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39810 (or 39806 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 31.

The square root of 1591960 is about 1261.7289724818. The cubic root of 1591960 is about 116.7644712730.

Subtracting from 1591960 its reverse (691951), we obtain a palindrome (900009).

The spelling of 1591960 in words is "one million, five hundred ninety-one thousand, nine hundred sixty".