4312378 has 8 divisors (see below), whose sum is σ = 7392672. Its totient is φ = 1848156.

The previous prime is 4312361. The next prime is 4312381. The reversal of 4312378 is 8732134.

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

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, 154000 + ... + 154027.

It is an arithmetic number, because the mean of its divisors is an integer number (924084).

Almost surely, 2^4312378 is an apocalyptic number.

4312378 is a deficient number, since it is larger than the sum of its proper divisors (3080294).

4312378 is a wasteful number, since it uses less digits than its factorization.

4312378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308036.

The product of its digits is 4032, while the sum is 28.

The square root of 4312378 is about 2076.6265913736. The cubic root of 4312378 is about 162.7692168534.

It can be divided in two parts, 431 and 2378, that added together give a square (2809 = 53²).

The spelling of 4312378 in words is "four million, three hundred twelve thousand, three hundred seventy-eight".