2858704 has 40 divisors (see below), whose sum is σ = 5881320. Its totient is φ = 1344000.

The previous prime is 2858701. The next prime is 2858711. The reversal of 2858704 is 4078582.

It can be written as a sum of positive squares in 4 ways, for example, as 425104 + 2433600 = 652^2 + 1560^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2858704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2858701) 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, 28254 + ... + 28354.

It is an arithmetic number, because the mean of its divisors is an integer number (147033).

2^2858704 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 2858704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2940660).

2858704 is an abundant number, since it is smaller than the sum of its proper divisors (3022616).

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

2858704 is a wasteful number, since it uses less digits than its factorization.

2858704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199 (or 193 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 34.

The square root of 2858704 is about 1690.7702386782. The cubic root of 2858704 is about 141.9241809092.

The spelling of 2858704 in words is "two million, eight hundred fifty-eight thousand, seven hundred four".