2820997446 has 16 divisors (see below), whose sum is σ = 5836546800. Its totient is φ = 907907168.

The previous prime is 2820997441. The next prime is 2820997457. The reversal of 2820997446 is 6447990282.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2820997441) 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, 8106141 + ... + 8106488.

It is an arithmetic number, because the mean of its divisors is an integer number (364784175).

Almost surely, 2^2820997446 is an apocalyptic number.

2820997446 is an abundant number, since it is smaller than the sum of its proper divisors (3015549354).

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

2820997446 is a wasteful number, since it uses less digits than its factorization.

2820997446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16212663.

The product of its (nonzero) digits is 1741824, while the sum is 51.

The square root of 2820997446 is about 53113.0628565139. The cubic root of 2820997446 is about 1412.9741967642.

The spelling of 2820997446 in words is "two billion, eight hundred twenty million, nine hundred ninety-seven thousand, four hundred forty-six".