981335 has 8 divisors (see below), whose sum is σ = 1206576. Its totient is φ = 765760.

The previous prime is 981319. The next prime is 981373. The reversal of 981335 is 533189.

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

It is not a de Polignac number, because 981335 - 2⁴ = 981319 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 981298 and 981307.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 981335.

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, 2189 + ... + 2598.

It is an arithmetic number, because the mean of its divisors is an integer number (150822).

2⁹⁸¹³³⁵ is an apocalyptic number.

981335 is a deficient number, since it is larger than the sum of its proper divisors (225241).

981335 is a wasteful number, since it uses less digits than its factorization.

981335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4833.

The product of its digits is 3240, while the sum is 29.

The square root of 981335 is about 990.6235410084. The cubic root of 981335 is about 99.3739217741.

The spelling of 981335 in words is "nine hundred eighty-one thousand, three hundred thirty-five".