4457850 has 48 divisors (see below), whose sum is σ = 11195712. Its totient is φ = 1173760.

The previous prime is 4457839. The next prime is 4457857. The reversal of 4457850 is 587544.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (4457857) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16819 + ... + 17081.

It is an arithmetic number, because the mean of its divisors is an integer number (233244).

Almost surely, 2^4457850 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4457850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5597856).

4457850 is an abundant number, since it is smaller than the sum of its proper divisors (6737862).

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

4457850 is a wasteful number, since it uses less digits than its factorization.

4457850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391 (or 386 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 33.

The square root of 4457850 is about 2111.3621195806. The cubic root of 4457850 is about 164.5792770814.

The spelling of 4457850 in words is "four million, four hundred fifty-seven thousand, eight hundred fifty".