2820146 has 16 divisors (see below), whose sum is σ = 4934400. Its totient is φ = 1208340.

The previous prime is 2820131. The next prime is 2820179. The reversal of 2820146 is 6410282.

It is a super-2 number, since 2×2820146² = 15906446922632, which contains 22 as substring.

It is a Curzon 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, 1370 + ... + 2741.

It is an arithmetic number, because the mean of its divisors is an integer number (308400).

2^2820146 is an apocalyptic number.

2820146 is a deficient number, since it is larger than the sum of its proper divisors (2114254).

2820146 is an equidigital number, since it uses as much as digits as its factorization.

2820146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4134 (or 4120 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 2820146 is about 1679.3290326794. The cubic root of 2820146 is about 141.2832025740.

The spelling of 2820146 in words is "two million, eight hundred twenty thousand, one hundred forty-six".