2875820 has 12 divisors (see below), whose sum is σ = 6039264. Its totient is φ = 1150320.

The previous prime is 2875813. The next prime is 2875823. The reversal of 2875820 is 285782.

It is a super-3 number, since 3×2875820³ = 71352033337504104000, which contains 333 as substring.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (2875823) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71876 + ... + 71915.

It is an arithmetic number, because the mean of its divisors is an integer number (503272).

2^2875820 is an apocalyptic number.

2875820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2875820 is an abundant number, since it is smaller than the sum of its proper divisors (3163444).

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

2875820 is a wasteful number, since it uses less digits than its factorization.

2875820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143800 (or 143798 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 32.

The square root of 2875820 is about 1695.8242833501. The cubic root of 2875820 is about 142.2068663795.

The spelling of 2875820 in words is "two million, eight hundred seventy-five thousand, eight hundred twenty".