2378879 has 4 divisors (see below), whose sum is σ = 2383176. Its totient is φ = 2374584.

The previous prime is 2378869. The next prime is 2378891. The reversal of 2378879 is 9788732.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2378879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2378869) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1169 + ... + 2474.

It is an arithmetic number, because the mean of its divisors is an integer number (595794).

2^2378879 is an apocalyptic number.

2378879 is a deficient number, since it is larger than the sum of its proper divisors (4297).

2378879 is an equidigital number, since it uses as much as digits as its factorization.

2378879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4296.

The product of its digits is 169344, while the sum is 44.

The square root of 2378879 is about 1542.3615010755. The cubic root of 2378879 is about 133.4926796287.

The spelling of 2378879 in words is "two million, three hundred seventy-eight thousand, eight hundred seventy-nine".