981922 has 8 divisors (see below), whose sum is σ = 1487772. Its totient is φ = 486000.

The previous prime is 981919. The next prime is 981941. The reversal of 981922 is 229189.

It can be written as a sum of positive squares in 2 ways, for example, as 720801 + 261121 = 849^2 + 511^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2229 + ... + 2632.

2⁹⁸¹⁹²² is an apocalyptic number.

981922 is a deficient number, since it is larger than the sum of its proper divisors (505850).

981922 is a wasteful number, since it uses less digits than its factorization.

981922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4964.

The product of its digits is 2592, while the sum is 31.

The square root of 981922 is about 990.9197747547. The cubic root of 981922 is about 99.3937318169.

It can be divided in two parts, 98 and 1922, that multiplied together give a square (188356 = 434²).

The spelling of 981922 in words is "nine hundred eighty-one thousand, nine hundred twenty-two".