4458420 has 144 divisors (see below), whose sum is σ = 15095808. Its totient is φ = 1059840.

The previous prime is 4458409. The next prime is 4458457. The reversal of 4458420 is 248544.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 94837 + ... + 94883.

It is an arithmetic number, because the mean of its divisors is an integer number (104832).

Almost surely, 2^4458420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4458420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7547904).

4458420 is an abundant number, since it is smaller than the sum of its proper divisors (10637388).

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

4458420 is a wasteful number, since it uses less digits than its factorization.

4458420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110 (or 105 counting only the distinct ones).

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

The square root of 4458420 is about 2111.4970992166. The cubic root of 4458420 is about 164.5862913887.

The spelling of 4458420 in words is "four million, four hundred fifty-eight thousand, four hundred twenty".