2321438 has 8 divisors (see below), whose sum is σ = 3979632. Its totient is φ = 994896.

The previous prime is 2321399. The next prime is 2321443. The reversal of 2321438 is 8341232.

2321438 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82895 + ... + 82922.

It is an arithmetic number, because the mean of its divisors is an integer number (497454).

2^2321438 is an apocalyptic number.

2321438 is a deficient number, since it is larger than the sum of its proper divisors (1658194).

2321438 is a wasteful number, since it uses less digits than its factorization.

2321438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165826.

The product of its digits is 1152, while the sum is 23.

The square root of 2321438 is about 1523.6265946747. The cubic root of 2321438 is about 132.4094646745.

The spelling of 2321438 in words is "two million, three hundred twenty-one thousand, four hundred thirty-eight".