4257616 has 40 divisors (see below), whose sum is σ = 9535104. Its totient is φ = 1820160.

The previous prime is 4257613. The next prime is 4257641. The reversal of 4257616 is 6167524.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4257611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2281 + ... + 3703.

Almost surely, 2^4257616 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 4257616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4767552).

4257616 is an abundant number, since it is smaller than the sum of its proper divisors (5277488).

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

4257616 is a wasteful number, since it uses less digits than its factorization.

4257616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1459 (or 1453 counting only the distinct ones).

The product of its digits is 10080, while the sum is 31.

The square root of 4257616 is about 2063.3991373459. The cubic root of 4257616 is about 162.0772887313.

The spelling of 4257616 in words is "four million, two hundred fifty-seven thousand, six hundred sixteen".