4445739 has 16 divisors (see below), whose sum is σ = 6873600. Its totient is φ = 2834568.

The previous prime is 4445737. The next prime is 4445767. The reversal of 4445739 is 9375444.

4445739 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4445739 - 2¹ = 4445737 is a prime.

It is a super-2 number, since 2×4445739² = 39529190512242, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (4445737) 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, 2959 + ... + 4200.

It is an arithmetic number, because the mean of its divisors is an integer number (429600).

Almost surely, 2^4445739 is an apocalyptic number.

4445739 is a deficient number, since it is larger than the sum of its proper divisors (2427861).

4445739 is a wasteful number, since it uses less digits than its factorization.

4445739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7191 (or 7185 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 4445739 is about 2108.4921152331. The cubic root of 4445739 is about 164.4300999818.

It can be divided in two parts, 4445 and 739, that added together give a square (5184 = 72²).

The spelling of 4445739 in words is "four million, four hundred forty-five thousand, seven hundred thirty-nine".