4894864 has 40 divisors (see below), whose sum is σ = 10358712. Its totient is φ = 2227200.

The previous prime is 4894853. The next prime is 4894871. The reversal of 4894864 is 4684984.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 518400 + 4376464 = 720^2 + 2092^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 4894864.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20892 + ... + 21124.

Almost surely, 2^4894864 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 4894864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5179356).

4894864 is an abundant number, since it is smaller than the sum of its proper divisors (5463848).

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

4894864 is a wasteful number, since it uses less digits than its factorization.

4894864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355 (or 349 counting only the distinct ones).

The product of its digits is 221184, while the sum is 43.

The square root of 4894864 is about 2212.4339538165. The cubic root of 4894864 is about 169.7905609941.

The spelling of 4894864 in words is "four million, eight hundred ninety-four thousand, eight hundred sixty-four".