4490045 has 8 divisors (see below), whose sum is σ = 6157824. Its totient is φ = 3078864.

The previous prime is 4490029. The next prime is 4490053. The reversal of 4490045 is 5400944.

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 4490045 - 2⁴ = 4490029 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4489996 and 4490023.

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, 64109 + ... + 64178.

It is an arithmetic number, because the mean of its divisors is an integer number (769728).

Almost surely, 2^4490045 is an apocalyptic number.

It is an amenable number.

4490045 is a deficient number, since it is larger than the sum of its proper divisors (1667779).

4490045 is a wasteful number, since it uses less digits than its factorization.

4490045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128299.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 4490045 is about 2118.9726284216. The cubic root of 4490045 is about 164.9745292792.

Adding to 4490045 its reverse (5400944), we get a palindrome (9890989).

The spelling of 4490045 in words is "four million, four hundred ninety thousand, forty-five".