4257396 has 72 divisors (see below), whose sum is σ = 12658464. Its totient is φ = 1189440.

The previous prime is 4257391. The next prime is 4257413. The reversal of 4257396 is 6937524.

4257396 = T₁₆₉ + T₁₇₀ + ... + T₃₁₁.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a d-powerful number, because it can be written as 4¹¹ + 2⁹ + 5⁵ + 7³ + 3³ + 9⁵ + 6² .

It is a zygodrome in base 3.

It is a self number, because there is not a number n which added to its sum of digits gives 4257396.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4257391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4735 + ... + 5561.

It is an arithmetic number, because the mean of its divisors is an integer number (175812).

Almost surely, 2^4257396 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 4257396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6329232).

4257396 is an abundant number, since it is smaller than the sum of its proper divisors (8401068).

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

4257396 is a wasteful number, since it uses less digits than its factorization.

4257396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 861 (or 856 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The square root of 4257396 is about 2063.3458265642. The cubic root of 4257396 is about 162.0744970581.

The spelling of 4257396 in words is "four million, two hundred fifty-seven thousand, three hundred ninety-six".