1595840 has 28 divisors (see below), whose sum is σ = 3800856. Its totient is φ = 638208.

The previous prime is 1595833. The next prime is 1595857. The reversal of 1595840 is 485951.

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

It is a junction number, because it is equal to n+sod(n) for n = 1595797 and 1595806.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2174 + ... + 2813.

2^1595840 is an apocalyptic number.

1595840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1595840 is an abundant number, since it is smaller than the sum of its proper divisors (2205016).

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

1595840 is an equidigital number, since it uses as much as digits as its factorization.

1595840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5004 (or 4994 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 32.

The square root of 1595840 is about 1263.2656094424. The cubic root of 1595840 is about 116.8592556027.

The spelling of 1595840 in words is "one million, five hundred ninety-five thousand, eight hundred forty".