4257896 has 16 divisors (see below), whose sum is σ = 8259300. Its totient is φ = 2055424.

The previous prime is 4257889. The next prime is 4257899. The reversal of 4257896 is 6987524.

It can be written as a sum of positive squares in 2 ways, for example, as 3880900 + 376996 = 1970^2 + 614^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (4257899) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8945 + ... + 9408.

Almost surely, 2^4257896 is an apocalyptic number.

It is an amenable number.

4257896 is a deficient number, since it is larger than the sum of its proper divisors (4001404).

4257896 is a wasteful number, since it uses less digits than its factorization.

4257896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18388 (or 18384 counting only the distinct ones).

The product of its digits is 120960, while the sum is 41.

The square root of 4257896 is about 2063.4669854398. The cubic root of 4257896 is about 162.0808416309.

The spelling of 4257896 in words is "four million, two hundred fifty-seven thousand, eight hundred ninety-six".