4494890 has 16 divisors (see below), whose sum is σ = 8443008. Its totient is φ = 1719696.

The previous prime is 4494881. The next prime is 4494901. The reversal of 4494890 is 984944.

It is a super-2 number, since 2×4494890² = 40408072224200, which contains 22 as substring.

It is a Curzon 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, 9542 + ... + 10001.

It is an arithmetic number, because the mean of its divisors is an integer number (527688).

Almost surely, 2^4494890 is an apocalyptic number.

4494890 is a deficient number, since it is larger than the sum of its proper divisors (3948118).

4494890 is a wasteful number, since it uses less digits than its factorization.

4494890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19573.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 4494890 is about 2120.1155628880. The cubic root of 4494890 is about 165.0338467449.

The spelling of 4494890 in words is "four million, four hundred ninety-four thousand, eight hundred ninety".