2820196 has 12 divisors (see below), whose sum is σ = 4955580. Its totient is φ = 1404320.

The previous prime is 2820193. The next prime is 2820197. The reversal of 2820196 is 6910282.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1166400 + 1653796 = 1080^2 + 1286^2 .

It is a super-3 number, since 3×2820196³ = 67291333008620668608, which contains 333 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2820193) 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, 235 + ... + 2386.

It is an arithmetic number, because the mean of its divisors is an integer number (412965).

2^2820196 is an apocalyptic number.

It is an amenable number.

2820196 is a deficient number, since it is larger than the sum of its proper divisors (2135384).

2820196 is a wasteful number, since it uses less digits than its factorization.

2820196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2894 (or 2892 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 2820196 is about 1679.3439195114. The cubic root of 2820196 is about 141.2840375330.

The spelling of 2820196 in words is "two million, eight hundred twenty thousand, one hundred ninety-six".