2896321 has 4 divisors (see below), whose sum is σ = 3022272. Its totient is φ = 2770372.

The previous prime is 2896319. The next prime is 2896339. The reversal of 2896321 is 1236982.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2896321 - 2¹ = 2896319 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2896121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62941 + ... + 62986.

It is an arithmetic number, because the mean of its divisors is an integer number (755568).

2^2896321 is an apocalyptic number.

It is an amenable number.

2896321 is a deficient number, since it is larger than the sum of its proper divisors (125951).

2896321 is a wasteful number, since it uses less digits than its factorization.

2896321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125950.

The product of its digits is 5184, while the sum is 31.

The square root of 2896321 is about 1701.8581021930. The cubic root of 2896321 is about 142.5439856008.

The spelling of 2896321 in words is "two million, eight hundred ninety-six thousand, three hundred twenty-one".