2923215 has 16 divisors (see below), whose sum is σ = 4766688. Its totient is φ = 1529216.

The previous prime is 2923213. The next prime is 2923247. The reversal of 2923215 is 5123292.

It is a cyclic number.

It is not a de Polignac number, because 2923215 - 2¹ = 2923213 is a prime.

2923215 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2923211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1044 + ... + 2633.

It is an arithmetic number, because the mean of its divisors is an integer number (297918).

2^2923215 is an apocalyptic number.

2923215 is a deficient number, since it is larger than the sum of its proper divisors (1843473).

2923215 is a wasteful number, since it uses less digits than its factorization.

2923215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3738.

The product of its digits is 1080, while the sum is 24.

The square root of 2923215 is about 1709.7412084874. The cubic root of 2923215 is about 142.9838278613.

The spelling of 2923215 in words is "two million, nine hundred twenty-three thousand, two hundred fifteen".