981358 has 16 divisors (see below), whose sum is σ = 1695744. Its totient is φ = 417240.

The previous prime is 981319. The next prime is 981373. The reversal of 981358 is 853189.

It is a congruent 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, 2491 + ... + 2857.

It is an arithmetic number, because the mean of its divisors is an integer number (105984).

2⁹⁸¹³⁵⁸ is an apocalyptic number.

981358 is a deficient number, since it is larger than the sum of its proper divisors (714386).

981358 is a wasteful number, since it uses less digits than its factorization.

981358 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 567.

The product of its digits is 8640, while the sum is 34.

The square root of 981358 is about 990.6351497903. The cubic root of 981358 is about 99.3746981255.

The spelling of 981358 in words is "nine hundred eighty-one thousand, three hundred fifty-eight".