1595958 has 64 divisors (see below), whose sum is σ = 4085760. Its totient is φ = 404352.

The previous prime is 1595953. The next prime is 1595983. The reversal of 1595958 is 8595951.

It is a happy number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1595953) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20163 + ... + 20241.

It is an arithmetic number, because the mean of its divisors is an integer number (63840).

2^1595958 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1595958, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2042880).

1595958 is an abundant number, since it is smaller than the sum of its proper divisors (2489802).

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

1595958 is a wasteful number, since it uses less digits than its factorization.

1595958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141.

The product of its digits is 81000, while the sum is 42.

The square root of 1595958 is about 1263.3123129298. The cubic root of 1595958 is about 116.8621358104.

The spelling of 1595958 in words is "one million, five hundred ninety-five thousand, nine hundred fifty-eight".