2916321 has 8 divisors (see below), whose sum is σ = 3912384. Its totient is φ = 1932240.

The previous prime is 2916317. The next prime is 2916323. The reversal of 2916321 is 1236192.

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

It is not a de Polignac number, because 2916321 - 2² = 2916317 is a prime.

2916321 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2916291 and 2916300.

It is not an unprimeable number, because it can be changed into a prime (2916323) 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, 2410 + ... + 3411.

It is an arithmetic number, because the mean of its divisors is an integer number (489048).

2^2916321 is an apocalyptic number.

It is an amenable number.

2916321 is a deficient number, since it is larger than the sum of its proper divisors (996063).

2916321 is a wasteful number, since it uses less digits than its factorization.

2916321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5991.

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

The square root of 2916321 is about 1707.7239238238. The cubic root of 2916321 is about 142.8713368278.

The spelling of 2916321 in words is "two million, nine hundred sixteen thousand, three hundred twenty-one".