4490636 has 6 divisors (see below), whose sum is σ = 7858620. Its totient is φ = 2245316.

The previous prime is 4490623. The next prime is 4490639. The reversal of 4490636 is 6360944.

It is a d-powerful number, because it can be written as 4⁶ + 4¹⁰ + 9⁵ + 0 + 6⁸ + 3⁹ + 6⁸ .

It is not an unprimeable number, because it can be changed into a prime (4490639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561326 + ... + 561333.

It is an arithmetic number, because the mean of its divisors is an integer number (1309770).

Almost surely, 2^4490636 is an apocalyptic number.

It is an amenable number.

4490636 is a deficient number, since it is larger than the sum of its proper divisors (3367984).

4490636 is a wasteful number, since it uses less digits than its factorization.

4490636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122663 (or 1122661 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 4490636 is about 2119.1120782063. The cubic root of 4490636 is about 164.9817671925.

The spelling of 4490636 in words is "four million, four hundred ninety thousand, six hundred thirty-six".