4448890 has 36 divisors (see below), whose sum is σ = 8669934. Its totient is φ = 1643488.

The previous prime is 4448881. The next prime is 4448921. The reversal of 4448890 is 988444.

It can be written as a sum of positive squares in 3 ways, for example, as 3644281 + 804609 = 1909^2 + 897^2 .

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 153396 + ... + 153424.

Almost surely, 2^4448890 is an apocalyptic number.

4448890 is a deficient number, since it is larger than the sum of its proper divisors (4221044).

4448890 is a wasteful number, since it uses less digits than its factorization.

4448890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111 (or 59 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 37.

The square root of 4448890 is about 2109.2391993323. The cubic root of 4448890 is about 164.4689384354.

The spelling of 4448890 in words is "four million, four hundred forty-eight thousand, eight hundred ninety".