4445361 has 10 divisors (see below), whose sum is σ = 6640722. Its totient is φ = 2963520.

The previous prime is 4445333. The next prime is 4445387. The reversal of 4445361 is 1635444.

It can be written as a sum of positive squares in only one way, i.e., 2742336 + 1703025 = 1656^2 + 1305^2 .

It is not a de Polignac number, because 4445361 - 2¹⁵ = 4412593 is a prime.

It is a super-2 number, since 2×4445361² = 39522468840642, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4445321) 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 9 ways as a sum of consecutive naturals, for example, 27360 + ... + 27521.

Almost surely, 2^4445361 is an apocalyptic number.

It is an amenable number.

4445361 is a deficient number, since it is larger than the sum of its proper divisors (2195361).

4445361 is an equidigital number, since it uses as much as digits as its factorization.

4445361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54893 (or 54884 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 4445361 is about 2108.4024758096. The cubic root of 4445361 is about 164.4254396138.

The spelling of 4445361 in words is "four million, four hundred forty-five thousand, three hundred sixty-one".