4452981 has 12 divisors (see below), whose sum is σ = 6429888. Its totient is φ = 2739984.

The previous prime is 4452953. The next prime is 4453013. The reversal of 4452981 is 1892544.

It is not a de Polignac number, because 4452981 - 2¹⁰ = 4451957 is a prime.

It is a super-2 number, since 2×4452981² = 39658079572722, which contains 22 as substring.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4452941) by changing a digit.

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, 3885 + ... + 4898.

It is an arithmetic number, because the mean of its divisors is an integer number (535824).

Almost surely, 2^4452981 is an apocalyptic number.

It is an amenable number.

4452981 is a deficient number, since it is larger than the sum of its proper divisors (1976907).

4452981 is a wasteful number, since it uses less digits than its factorization.

4452981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8812 (or 8799 counting only the distinct ones).

The product of its digits is 11520, while the sum is 33.

The square root of 4452981 is about 2110.2087574456. The cubic root of 4452981 is about 164.5193357475.

The spelling of 4452981 in words is "four million, four hundred fifty-two thousand, nine hundred eighty-one".