2393894 has 8 divisors (see below), whose sum is σ = 3618648. Its totient is φ = 1187680.

The previous prime is 2393893. The next prime is 2393899. The reversal of 2393894 is 4983932.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a d-powerful number, because it can be written as 2¹³ + 3⁸ + 9² + 3⁹ + 8⁷ + 9² + 4⁹ .

It is a Curzon number.

It is a nialpdrome in base 12.

It is a zygodrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2393893) 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, 4307 + ... + 4830.

It is an arithmetic number, because the mean of its divisors is an integer number (452331).

2^2393894 is an apocalyptic number.

2393894 is a deficient number, since it is larger than the sum of its proper divisors (1224754).

2393894 is a wasteful number, since it uses less digits than its factorization.

2393894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9270.

The product of its digits is 46656, while the sum is 38.

The square root of 2393894 is about 1547.2213804107. The cubic root of 2393894 is about 133.7729503226.

Adding to 2393894 its sum of digits (38), we get a palindrome (2393932).

The spelling of 2393894 in words is "two million, three hundred ninety-three thousand, eight hundred ninety-four".