2921694 has 8 divisors (see below), whose sum is σ = 5843400. Its totient is φ = 973896.

The previous prime is 2921689. The next prime is 2921729. The reversal of 2921694 is 4961292.

It is a sphenic number, since it is the product of 3 distinct primes.

2921694 is an admirable number.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 243469 + ... + 243480.

It is an arithmetic number, because the mean of its divisors is an integer number (730425).

2^2921694 is an apocalyptic number.

2921694 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2921694 is a wasteful number, since it uses less digits than its factorization.

2921694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486954.

The product of its digits is 7776, while the sum is 33.

The square root of 2921694 is about 1709.2963464537. The cubic root of 2921694 is about 142.9590245617.

The spelling of 2921694 in words is "two million, nine hundred twenty-one thousand, six hundred ninety-four".