4084445 has 8 divisors (see below), whose sum is σ = 4994136. Its totient is φ = 3205696.

The previous prime is 4084439. The next prime is 4084517. The reversal of 4084445 is 5444804.

It can be written as a sum of positive squares in 4 ways, for example, as 1466521 + 2617924 = 1211^2 + 1618^2 .

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 4084445 - 2¹⁰ = 4083421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7442 + ... + 7971.

It is an arithmetic number, because the mean of its divisors is an integer number (624267).

Almost surely, 2^4084445 is an apocalyptic number.

It is an amenable number.

4084445 is a deficient number, since it is larger than the sum of its proper divisors (909691).

4084445 is a wasteful number, since it uses less digits than its factorization.

4084445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15471.

The product of its (nonzero) digits is 10240, while the sum is 29.

The square root of 4084445 is about 2021.0009896089. Note that the first 3 decimals coincide. The cubic root of 4084445 is about 159.8494025679.

It can be divided in two parts, 408 and 4445, that multiplied together give a triangular number (1813560 = T₁₉₀₄).

The spelling of 4084445 in words is "four million, eighty-four thousand, four hundred forty-five".