2921613 has 8 divisors (see below), whose sum is σ = 3920928. Its totient is φ = 1935024.

The previous prime is 2921599. The next prime is 2921617. The reversal of 2921613 is 3161292.

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

It is not a de Polignac number, because 2921613 - 2¹² = 2917517 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2921617) 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, 2631 + ... + 3572.

It is an arithmetic number, because the mean of its divisors is an integer number (490116).

2^2921613 is an apocalyptic number.

It is an amenable number.

2921613 is a deficient number, since it is larger than the sum of its proper divisors (999315).

2921613 is a wasteful number, since it uses less digits than its factorization.

2921613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6363.

The product of its digits is 648, while the sum is 24.

The square root of 2921613 is about 1709.2726523291. The cubic root of 2921613 is about 142.9577034345.

The spelling of 2921613 in words is "two million, nine hundred twenty-one thousand, six hundred thirteen".