981627 has 4 divisors (see below), whose sum is σ = 1308840. Its totient is φ = 654416.

The previous prime is 981623. The next prime is 981637. The reversal of 981627 is 726189.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 981627 - 2² = 981623 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (981623) 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, 163602 + ... + 163607.

It is an arithmetic number, because the mean of its divisors is an integer number (327210).

2⁹⁸¹⁶²⁷ is an apocalyptic number.

981627 is a deficient number, since it is larger than the sum of its proper divisors (327213).

981627 is a wasteful number, since it uses less digits than its factorization.

981627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327212.

The product of its digits is 6048, while the sum is 33.

The square root of 981627 is about 990.7709119670. The cubic root of 981627 is about 99.3837771607.

Subtracting from 981627 its product of digits (6048), we obtain a palindrome (975579).

The spelling of 981627 in words is "nine hundred eighty-one thousand, six hundred twenty-seven".