4490997 has 24 divisors (see below), whose sum is σ = 7047936. Its totient is φ = 2536128.

The previous prime is 4490989. The next prime is 4490999. The reversal of 4490997 is 7990944.

It is not a de Polignac number, because 4490997 - 2³ = 4490989 is a prime.

4490997 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4490999) 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 23 ways as a sum of consecutive naturals, for example, 20028 + ... + 20250.

It is an arithmetic number, because the mean of its divisors is an integer number (293664).

Almost surely, 2^4490997 is an apocalyptic number.

It is an amenable number.

4490997 is a deficient number, since it is larger than the sum of its proper divisors (2556939).

4490997 is a wasteful number, since it uses less digits than its factorization.

4490997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377 (or 370 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 4490997 is about 2119.1972536789. The cubic root of 4490997 is about 164.9861880082.

The spelling of 4490997 in words is "four million, four hundred ninety thousand, nine hundred ninety-seven".