2388478 has 8 divisors (see below), whose sum is σ = 3666168. Its totient is φ = 1166424.

The previous prime is 2388473. The next prime is 2388479. The reversal of 2388478 is 8748832.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2388478.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2388473) 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 3 ways as a sum of consecutive naturals, for example, 13801 + ... + 13972.

It is an arithmetic number, because the mean of its divisors is an integer number (458271).

2^2388478 is an apocalyptic number.

2388478 is a deficient number, since it is larger than the sum of its proper divisors (1277690).

2388478 is a wasteful number, since it uses less digits than its factorization.

2388478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27818.

The product of its digits is 86016, while the sum is 40.

The square root of 2388478 is about 1545.4701550014. The cubic root of 2388478 is about 133.6719904956.

The spelling of 2388478 in words is "two million, three hundred eighty-eight thousand, four hundred seventy-eight".