981995 has 8 divisors (see below), whose sum is σ = 1346784. Its totient is φ = 673344.

The previous prime is 981983. The next prime is 982021. The reversal of 981995 is 599189.

981995 is nontrivially palindromic in base 8.

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

It is not a de Polignac number, because 981995 - 2⁴ = 981979 is a prime.

It is a Duffinian number.

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, 13994 + ... + 14063.

It is an arithmetic number, because the mean of its divisors is an integer number (168348).

2⁹⁸¹⁹⁹⁵ is an apocalyptic number.

981995 is a deficient number, since it is larger than the sum of its proper divisors (364789).

981995 is a wasteful number, since it uses less digits than its factorization.

981995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28069.

The product of its digits is 29160, while the sum is 41.

The square root of 981995 is about 990.9566085354. The cubic root of 981995 is about 99.3961948648.

The spelling of 981995 in words is "nine hundred eighty-one thousand, nine hundred ninety-five".