2858812 has 24 divisors (see below), whose sum is σ = 5588352. Its totient is φ = 1268400.

The previous prime is 2858803. The next prime is 2858819. The reversal of 2858812 is 2188582.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2858819) 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, 1137 + ... + 2647.

It is an arithmetic number, because the mean of its divisors is an integer number (232848).

2^2858812 is an apocalyptic number.

2858812 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2858812 is a deficient number, since it is larger than the sum of its proper divisors (2729540).

2858812 is a wasteful number, since it uses less digits than its factorization.

2858812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1569 (or 1567 counting only the distinct ones).

The product of its digits is 10240, while the sum is 34.

The square root of 2858812 is about 1690.8021764831. The cubic root of 2858812 is about 141.9259681548.

The spelling of 2858812 in words is "two million, eight hundred fifty-eight thousand, eight hundred twelve".