2849868 has 72 divisors (see below), whose sum is σ = 8456448. Its totient is φ = 792288.

The previous prime is 2849857. The next prime is 2849887. The reversal of 2849868 is 8689482.

2849868 = T₄₂ + T₄₃ + ... + T₂₅₇.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10705 + ... + 10967.

2^2849868 is an apocalyptic number.

2849868 is a gapful number since it is divisible by the number (28) 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 2849868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4228224).

2849868 is an abundant number, since it is smaller than the sum of its proper divisors (5606580).

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

2849868 is a wasteful number, since it uses less digits than its factorization.

2849868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323 (or 318 counting only the distinct ones).

The product of its digits is 221184, while the sum is 45.

The square root of 2849868 is about 1688.1552061348. The cubic root of 2849868 is about 141.7778049839. Note that the first 3 decimals are identical.

The spelling of 2849868 in words is "two million, eight hundred forty-nine thousand, eight hundred sixty-eight".