4449858 has 32 divisors (see below), whose sum is σ = 10281600. Its totient is φ = 1257600.

The previous prime is 4449829. The next prime is 4449859. The reversal of 4449858 is 8589444.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (4449859) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3718 + ... + 4766.

It is an arithmetic number, because the mean of its divisors is an integer number (321300).

Almost surely, 2^4449858 is an apocalyptic number.

4449858 is an abundant number, since it is smaller than the sum of its proper divisors (5831742).

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

4449858 is a wasteful number, since it uses less digits than its factorization.

4449858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1162.

The product of its digits is 184320, while the sum is 42.

The square root of 4449858 is about 2109.4686534765. The cubic root of 4449858 is about 164.4808660838.

The spelling of 4449858 in words is "four million, four hundred forty-nine thousand, eight hundred fifty-eight".