981667224 has 48 divisors (see below), whose sum is σ = 2798616600. Its totient is φ = 309999744.

The previous prime is 981667217. The next prime is 981667259. The reversal of 981667224 is 422766189.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 981667224.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 357429 + ... + 360164.

Almost surely, 2^981667224 is an apocalyptic number.

It is an amenable number.

981667224 is an abundant number, since it is smaller than the sum of its proper divisors (1816949376).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

981667224 is a wasteful number, since it uses less digits than its factorization.

981667224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717624 (or 717617 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 981667224 is about 31331.5691276387. The cubic root of 981667224 is about 993.8513462084.

The spelling of 981667224 in words is "nine hundred eighty-one million, six hundred sixty-seven thousand, two hundred twenty-four".