2293845 has 16 divisors (see below), whose sum is σ = 3789312. Its totient is φ = 1183680.

The previous prime is 2293831. The next prime is 2293847. The reversal of 2293845 is 5483922.

It is a happy number.

It is not a de Polignac number, because 2293845 - 2⁴ = 2293829 is a prime.

It is a d-powerful number, because it can be written as 2 + 2¹⁷ + 9⁴ + 3¹⁰ + 8⁷ + 4 + 5 .

2293845 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2293847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2002 + ... + 2931.

It is an arithmetic number, because the mean of its divisors is an integer number (236832).

2^2293845 is an apocalyptic number.

It is an amenable number.

2293845 is a deficient number, since it is larger than the sum of its proper divisors (1495467).

2293845 is a wasteful number, since it uses less digits than its factorization.

2293845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4972.

The product of its digits is 17280, while the sum is 33.

The square root of 2293845 is about 1514.5444859759. The cubic root of 2293845 is about 131.8827586160.

The spelling of 2293845 in words is "two million, two hundred ninety-three thousand, eight hundred forty-five".