2921796 has 36 divisors (see below), whose sum is σ = 7437612. Its totient is φ = 967104.

The previous prime is 2921777. The next prime is 2921819. The reversal of 2921796 is 6971292.

It can be written as a sum of positive squares in 2 ways, for example, as 1742400 + 1179396 = 1320^2 + 1086^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 2921796.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9826 + ... + 10118.

2^2921796 is an apocalyptic number.

It is an amenable number.

2921796 is an abundant number, since it is smaller than the sum of its proper divisors (4515816).

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

2921796 is a wasteful number, since it uses less digits than its factorization.

2921796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580 (or 575 counting only the distinct ones).

The product of its digits is 13608, while the sum is 36.

The square root of 2921796 is about 1709.3261830324. The cubic root of 2921796 is about 142.9606881685.

The spelling of 2921796 in words is "two million, nine hundred twenty-one thousand, seven hundred ninety-six".