4251648 has 56 divisors (see below), whose sum is σ = 11402568. Its totient is φ = 1409024.

The previous prime is 4251647. The next prime is 4251691. The reversal of 4251648 is 8461524.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4251647) 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, 24490 + ... + 24662.

Almost surely, 2^4251648 is an apocalyptic number.

4251648 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4251648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5701284).

4251648 is an abundant number, since it is smaller than the sum of its proper divisors (7150920).

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

4251648 is an equidigital number, since it uses as much as digits as its factorization.

4251648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202 (or 178 counting only the distinct ones).

The product of its digits is 7680, while the sum is 30.

The square root of 4251648 is about 2061.9524727791. The cubic root of 4251648 is about 162.0015241436.

The spelling of 4251648 in words is "four million, two hundred fifty-one thousand, six hundred forty-eight".