4251968 has 28 divisors (see below), whose sum is σ = 9643872. Its totient is φ = 1822080.

The previous prime is 4251967. The next prime is 4251971. The reversal of 4251968 is 8691524.

It is a tau number, because it is divible by the number of its divisors (28).

It is a super-3 number, since 3×4251968³ (a number of 21 digits) contains 333 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4251967) 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, 4298 + ... + 5193.

It is an arithmetic number, because the mean of its divisors is an integer number (344424).

Almost surely, 2^4251968 is an apocalyptic number.

It is an amenable number.

4251968 is an abundant number, since it is smaller than the sum of its proper divisors (5391904).

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

4251968 is an equidigital number, since it uses as much as digits as its factorization.

4251968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9510 (or 9500 counting only the distinct ones).

The product of its digits is 17280, while the sum is 35.

The square root of 4251968 is about 2062.0300676760. The cubic root of 4251968 is about 162.0055883862.

The spelling of 4251968 in words is "four million, two hundred fifty-one thousand, nine hundred sixty-eight".