981814 has 8 divisors (see below), whose sum is σ = 1478808. Its totient is φ = 488880.

The previous prime is 981811. The next prime is 981817. The reversal of 981814 is 418189.

It is an interprime number because it is at equal distance from previous prime (981811) and next prime (981817).

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

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (981811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 312 + ... + 1435.

It is an arithmetic number, because the mean of its divisors is an integer number (184851).

2⁹⁸¹⁸¹⁴ is an apocalyptic number.

981814 is a deficient number, since it is larger than the sum of its proper divisors (496994).

981814 is a wasteful number, since it uses less digits than its factorization.

981814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2030.

The product of its digits is 2304, while the sum is 31.

The square root of 981814 is about 990.8652784309. The cubic root of 981814 is about 99.3900876318.

The spelling of 981814 in words is "nine hundred eighty-one thousand, eight hundred fourteen".