2378678 has 4 divisors (see below), whose sum is σ = 3568020. Its totient is φ = 1189338.

The previous prime is 2378671. The next prime is 2378681. The reversal of 2378678 is 8768732.

2378678 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2378671) by changing a digit.

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 as a sum of consecutive naturals, namely, 594668 + ... + 594671.

It is an arithmetic number, because the mean of its divisors is an integer number (892005).

2^2378678 is an apocalyptic number.

2378678 is a deficient number, since it is larger than the sum of its proper divisors (1189342).

2378678 is a wasteful number, since it uses less digits than its factorization.

2378678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1189341.

The product of its digits is 112896, while the sum is 41.

The square root of 2378678 is about 1542.2963398777. The cubic root of 2378678 is about 133.4889197647.

The spelling of 2378678 in words is "two million, three hundred seventy-eight thousand, six hundred seventy-eight".