4446981 has 80 divisors (see below), whose sum is σ = 8921088. Its totient is φ = 2138400.

The previous prime is 4446977. The next prime is 4446997. The reversal of 4446981 is 1896444.

It is a happy number.

It is not a de Polignac number, because 4446981 - 2² = 4446977 is a prime.

It is a super-2 number, since 2×4446981² = 39551280028722, which contains 22 as substring.

4446981 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4446971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 143436 + ... + 143466.

Almost surely, 2^4446981 is an apocalyptic number.

It is an amenable number.

4446981 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

4446981 is a wasteful number, since it uses less digits than its factorization.

4446981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84 (or 75 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 4446981 is about 2108.7866179393. The cubic root of 4446981 is about 164.4454107598.

It can be divided in two parts, 4 and 446981, that added together give a triangular number (446985 = T₉₄₅).

The spelling of 4446981 in words is "four million, four hundred forty-six thousand, nine hundred eighty-one".