2921343 has 4 divisors (see below), whose sum is σ = 3895128. Its totient is φ = 1947560.

The previous prime is 2921339. The next prime is 2921371. The reversal of 2921343 is 3431292.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2921343 - 2² = 2921339 is a prime.

It is a D-number.

2921343 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2920343) 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, 486888 + ... + 486893.

It is an arithmetic number, because the mean of its divisors is an integer number (973782).

2^2921343 is an apocalyptic number.

2921343 is a deficient number, since it is larger than the sum of its proper divisors (973785).

2921343 is an equidigital number, since it uses as much as digits as its factorization.

2921343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 973784.

The product of its digits is 1296, while the sum is 24.

The square root of 2921343 is about 1709.1936695413. The cubic root of 2921343 is about 142.9532995009.

The spelling of 2921343 in words is "two million, nine hundred twenty-one thousand, three hundred forty-three".