4440258 has 20 divisors (see below), whose sum is σ = 9949830. Its totient is φ = 1480032.

The previous prime is 4440257. The next prime is 4440323. The reversal of 4440258 is 8520444.

It can be written as a sum of positive squares in only one way, i.e., 4397409 + 42849 = 2097^2 + 207^2 .

It is a super-2 number, since 2×4440258² = 39431782213128, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4440253) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 13543 + ... + 13866.

Almost surely, 2^4440258 is an apocalyptic number.

4440258 is an abundant number, since it is smaller than the sum of its proper divisors (5509572).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4440258 is a wasteful number, since it uses less digits than its factorization.

4440258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27423 (or 27414 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

The square root of 4440258 is about 2107.1919703719. The cubic root of 4440258 is about 164.3624987722.

The spelling of 4440258 in words is "four million, four hundred forty thousand, two hundred fifty-eight".