4407981 has 16 divisors (see below), whose sum is σ = 6552000. Its totient is φ = 2619648.

The previous prime is 4407967. The next prime is 4408007. The reversal of 4407981 is 1897044.

It is not a de Polignac number, because 4407981 - 2⁶ = 4407917 is a prime.

It is a super-3 number, since 3×4407981³ (a number of 21 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4407961) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1306 + ... + 3243.

It is an arithmetic number, because the mean of its divisors is an integer number (409500).

Almost surely, 2^4407981 is an apocalyptic number.

It is an amenable number.

4407981 is a deficient number, since it is larger than the sum of its proper divisors (2144019).

4407981 is a wasteful number, since it uses less digits than its factorization.

4407981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4588.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 4407981 is about 2099.5192306812. The cubic root of 4407981 is about 163.9632700810.

The spelling of 4407981 in words is "four million, four hundred seven thousand, nine hundred eighty-one".