2319678 has 56 divisors (see below), whose sum is σ = 5482488. Its totient is φ = 734832.

The previous prime is 2319659. The next prime is 2319679. The reversal of 2319678 is 8769132.

It is a plaindrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2319679) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 53925 + ... + 53967.

2^2319678 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2319678, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2741244).

2319678 is an abundant number, since it is smaller than the sum of its proper divisors (3162810).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2319678 is an equidigital number, since it uses as much as digits as its factorization.

2319678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100 (or 85 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 2319678 is about 1523.0489158264. The cubic root of 2319678 is about 132.3759941021.

It can be divided in two parts, 23 and 19678, that added together give a triangular number (19701 = T₁₉₈).

The spelling of 2319678 in words is "two million, three hundred nineteen thousand, six hundred seventy-eight".