2921383 has 4 divisors (see below), whose sum is σ = 3075160. Its totient is φ = 2767608.

The previous prime is 2921371. The next prime is 2921417. The reversal of 2921383 is 3831292.

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 2921383 - 2⁹ = 2920871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2922383) 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, 76860 + ... + 76897.

It is an arithmetic number, because the mean of its divisors is an integer number (768790).

2^2921383 is an apocalyptic number.

2921383 is a deficient number, since it is larger than the sum of its proper divisors (153777).

2921383 is a wasteful number, since it uses less digits than its factorization.

2921383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153776.

The product of its digits is 2592, while the sum is 28.

The square root of 2921383 is about 1709.2053709253. The cubic root of 2921383 is about 142.9539519526.

Subtracting 2921383 from its reverse (3831292), we obtain a palindrome (909909).

It can be divided in two parts, 29 and 21383, that added together give a palindrome (21412).

The spelling of 2921383 in words is "two million, nine hundred twenty-one thousand, three hundred eighty-three".