4257066 has 32 divisors (see below), whose sum is σ = 9471168. Its totient is φ = 1264640.

The previous prime is 4257061. The next prime is 4257067. The reversal of 4257066 is 6607524.

It is a super-2 number, since 2×4257066² = 36245221856712, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4257061) 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, 2890 + ... + 4106.

It is an arithmetic number, because the mean of its divisors is an integer number (295974).

Almost surely, 2^4257066 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4257066, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4735584).

4257066 is an abundant number, since it is smaller than the sum of its proper divisors (5214102).

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

4257066 is a wasteful number, since it uses less digits than its factorization.

4257066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1286.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 4257066 is about 2063.2658578089. The cubic root of 4257066 is about 162.0703093679.

The spelling of 4257066 in words is "four million, two hundred fifty-seven thousand, sixty-six".