4243746 has 32 divisors (see below), whose sum is σ = 9370368. Its totient is φ = 1272960.

The previous prime is 4243721. The next prime is 4243747. The reversal of 4243746 is 6473424.

It is a super-2 number, since 2×4243746² = 36018760225032, which contains 22 as substring.

It is a d-powerful number, because it can be written as 4 + 2¹⁵ + 4⁷ + 3⁵ + 7 + 4¹¹ + 6² .

It is not an unprimeable number, because it can be changed into a prime (4243747) 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, 2535 + ... + 3861.

It is an arithmetic number, because the mean of its divisors is an integer number (292824).

Almost surely, 2^4243746 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4243746, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4685184).

4243746 is an abundant number, since it is smaller than the sum of its proper divisors (5126622).

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

4243746 is a wasteful number, since it uses less digits than its factorization.

4243746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1386.

The product of its digits is 16128, while the sum is 30.

The square root of 4243746 is about 2060.0354365884. The cubic root of 4243746 is about 161.9010979920.

The spelling of 4243746 in words is "four million, two hundred forty-three thousand, seven hundred forty-six".