2849820 has 24 divisors (see below), whose sum is σ = 7979664. Its totient is φ = 759936.

The previous prime is 2849813. The next prime is 2849831. The reversal of 2849820 is 289482.

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, 23689 + ... + 23808.

It is an arithmetic number, because the mean of its divisors is an integer number (332486).

2^2849820 is an apocalyptic number.

2849820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2849820 is an abundant number, since it is smaller than the sum of its proper divisors (5129844).

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

2849820 is a wasteful number, since it uses less digits than its factorization.

2849820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47509 (or 47507 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 2849820 is about 1688.1409893726. The cubic root of 2849820 is about 141.7770089970. Note that the first 3 decimals are identical.

The spelling of 2849820 in words is "two million, eight hundred forty-nine thousand, eight hundred twenty".