4044591 has 6 divisors (see below), whose sum is σ = 5842200. Its totient is φ = 2696388.

The previous prime is 4044583. The next prime is 4044617. The reversal of 4044591 is 1954404.

It is not a de Polignac number, because 4044591 - 2³ = 4044583 is a prime.

4044591 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4044541) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 224691 + ... + 224708.

It is an arithmetic number, because the mean of its divisors is an integer number (973700).

Almost surely, 2^4044591 is an apocalyptic number.

4044591 is a deficient number, since it is larger than the sum of its proper divisors (1797609).

4044591 is a wasteful number, since it uses less digits than its factorization.

4044591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449405 (or 449402 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 4044591 is about 2011.1168538899. The cubic root of 4044591 is about 159.3277917849.

Adding to 4044591 its reverse (1954404), we get a palindrome (5998995).

The spelling of 4044591 in words is "four million, forty-four thousand, five hundred ninety-one".