4407481 has 8 divisors (see below), whose sum is σ = 4773384. Its totient is φ = 4045440.

The previous prime is 4407479. The next prime is 4407493. The reversal of 4407481 is 1847044.

4407481 = 1484² + 1485².

It can be written as a sum of positive squares in 4 ways, for example, as 1585081 + 2822400 = 1259^2 + 1680^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 4407481 - 2¹ = 4407479 is a prime.

It is a super-2 number, since 2×4407481² = 38851777530722, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4407401) 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, 1701 + ... + 3421.

It is an arithmetic number, because the mean of its divisors is an integer number (596673).

Almost surely, 2^4407481 is an apocalyptic number.

4407481 is the 1485-th centered square number.

It is an amenable number.

4407481 is a deficient number, since it is larger than the sum of its proper divisors (365903).

4407481 is a wasteful number, since it uses less digits than its factorization.

4407481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1931.

The product of its (nonzero) digits is 3584, while the sum is 28.

The square root of 4407481 is about 2099.4001524245. The cubic root of 4407481 is about 163.9570703617.

It can be divided in two parts, 440 and 7481, that added together give a square (7921 = 89²).

The spelling of 4407481 in words is "four million, four hundred seven thousand, four hundred eighty-one".