981595 has 8 divisors (see below), whose sum is σ = 1203264. Its totient is φ = 768384.

The previous prime is 981587. The next prime is 981599. The reversal of 981595 is 595189.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 981595 - 2³ = 981587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (981599) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1854 + ... + 2323.

It is an arithmetic number, because the mean of its divisors is an integer number (150408).

2⁹⁸¹⁵⁹⁵ is an apocalyptic number.

981595 is a deficient number, since it is larger than the sum of its proper divisors (221669).

981595 is a wasteful number, since it uses less digits than its factorization.

981595 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4229.

The product of its digits is 16200, while the sum is 37.

The square root of 981595 is about 990.7547627945. The cubic root of 981595 is about 99.3826972137.

The spelling of 981595 in words is "nine hundred eighty-one thousand, five hundred ninety-five".