2820475 has 24 divisors (see below), whose sum is σ = 4071168. Its totient is φ = 1898400.

The previous prime is 2820407. The next prime is 2820479. The reversal of 2820475 is 5740282.

2820475 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2820475 - 2⁷ = 2820347 is a prime.

It is a Duffinian number.

2820475 is strictly pandigital in base 8.

It is not an unprimeable number, because it can be changed into a prime (2820479) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12312 + ... + 12538.

It is an arithmetic number, because the mean of its divisors is an integer number (169632).

2^2820475 is an apocalyptic number.

2820475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2820475 is a deficient number, since it is larger than the sum of its proper divisors (1250693).

2820475 is a wasteful number, since it uses less digits than its factorization.

2820475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315 (or 310 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 2820475 is about 1679.4269856115. The cubic root of 2820475 is about 141.2886964227.

It can be divided in two parts, 28 and 20475, that added together give a triangular number (20503 = T₂₀₂).

The spelling of 2820475 in words is "two million, eight hundred twenty thousand, four hundred seventy-five".