2820951 has 12 divisors (see below), whose sum is σ = 4656912. Its totient is φ = 1611936.

The previous prime is 2820947. The next prime is 2820971. The reversal of 2820951 is 1590282.

It is not a de Polignac number, because 2820951 - 2² = 2820947 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2820941) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22326 + ... + 22451.

It is an arithmetic number, because the mean of its divisors is an integer number (388076).

2^2820951 is an apocalyptic number.

2820951 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2820951 is a deficient number, since it is larger than the sum of its proper divisors (1835961).

2820951 is a wasteful number, since it uses less digits than its factorization.

2820951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44790 (or 44787 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 2820951 is about 1679.5686946356. The cubic root of 2820951 is about 141.2966442136.

The spelling of 2820951 in words is "two million, eight hundred twenty thousand, nine hundred fifty-one".