981382 has 8 divisors (see below), whose sum is σ = 1480752. Its totient is φ = 487800.

The previous prime is 981377. The next prime is 981391. The reversal of 981382 is 283189.

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

It is a super-2 number, since 2×981382² = 1926221259848, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 994 + ... + 1717.

It is an arithmetic number, because the mean of its divisors is an integer number (185094).

2⁹⁸¹³⁸² is an apocalyptic number.

981382 is a deficient number, since it is larger than the sum of its proper divisors (499370).

981382 is a wasteful number, since it uses less digits than its factorization.

981382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2894.

The product of its digits is 3456, while the sum is 31.

The square root of 981382 is about 990.6472631568. The cubic root of 981382 is about 99.3755082183.

The spelling of 981382 in words is "nine hundred eighty-one thousand, three hundred eighty-two".