2921696 has 12 divisors (see below), whose sum is σ = 5752152. Its totient is φ = 1460832.

The previous prime is 2921689. The next prime is 2921729. The reversal of 2921696 is 6961292.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45620 + ... + 45683.

It is an arithmetic number, because the mean of its divisors is an integer number (479346).

2^2921696 is an apocalyptic number.

It is an amenable number.

2921696 is a deficient number, since it is larger than the sum of its proper divisors (2830456).

2921696 is an equidigital number, since it uses as much as digits as its factorization.

2921696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91313 (or 91305 counting only the distinct ones).

The product of its digits is 11664, while the sum is 35.

The square root of 2921696 is about 1709.2969314897. The cubic root of 2921696 is about 142.9590571818.

The spelling of 2921696 in words is "two million, nine hundred twenty-one thousand, six hundred ninety-six".