4411981 has 8 divisors (see below), whose sum is σ = 5062464. Its totient is φ = 3766560.

The previous prime is 4411963. The next prime is 4412033. The reversal of 4411981 is 1891144.

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

It is a de Polignac number, because none of the positive numbers 2^k-4411981 is a prime.

It is a super-2 number, since 2×4411981² = 38931152688722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4411081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 846 + ... + 3088.

It is an arithmetic number, because the mean of its divisors is an integer number (632808).

Almost surely, 2^4411981 is an apocalyptic number.

It is an amenable number.

4411981 is a deficient number, since it is larger than the sum of its proper divisors (650483).

4411981 is a wasteful number, since it uses less digits than its factorization.

4411981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2531.

The product of its digits is 1152, while the sum is 28.

The square root of 4411981 is about 2100.4716137096. The cubic root of 4411981 is about 164.0128509660.

The spelling of 4411981 in words is "four million, four hundred eleven thousand, nine hundred eighty-one".