4272858 has 32 divisors (see below), whose sum is σ = 9645120. Its totient is φ = 1401840.

The previous prime is 4272841. The next prime is 4272859. The reversal of 4272858 is 8582724.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4272859) 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, 3028 + ... + 4208.

It is an arithmetic number, because the mean of its divisors is an integer number (301410).

Almost surely, 2^4272858 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4272858, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4822560).

4272858 is an abundant number, since it is smaller than the sum of its proper divisors (5372262).

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

4272858 is a wasteful number, since it uses less digits than its factorization.

4272858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1259 (or 1253 counting only the distinct ones).

The product of its digits is 35840, while the sum is 36.

The square root of 4272858 is about 2067.0892578696. The cubic root of 4272858 is about 162.2704672570.

It can be divided in two parts, 42 and 72858, that added together give a square (72900 = 270²).

The spelling of 4272858 in words is "four million, two hundred seventy-two thousand, eight hundred fifty-eight".