4257996 has 12 divisors (see below), whose sum is σ = 9935352. Its totient is φ = 1419328.

The previous prime is 4257991. The next prime is 4258019. The reversal of 4257996 is 6997524.

It is a tau number, because it is divible by the number of its divisors (12).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (4257991) 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, 177405 + ... + 177428.

It is an arithmetic number, because the mean of its divisors is an integer number (827946).

Almost surely, 2^4257996 is an apocalyptic number.

It is an amenable number.

4257996 is an abundant number, since it is smaller than the sum of its proper divisors (5677356).

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

4257996 is a wasteful number, since it uses less digits than its factorization.

4257996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354840 (or 354838 counting only the distinct ones).

The product of its digits is 136080, while the sum is 42.

The square root of 4257996 is about 2063.4912163612. The cubic root of 4257996 is about 162.0821104858.

It can be divided in two parts, 4257 and 996, that added together give a triangular number (5253 = T₁₀₂).

The spelling of 4257996 in words is "four million, two hundred fifty-seven thousand, nine hundred ninety-six".