2378885 has 4 divisors (see below), whose sum is σ = 2854668. Its totient is φ = 1903104.

The previous prime is 2378869. The next prime is 2378891. The reversal of 2378885 is 5888732.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1635841 + 743044 = 1279^2 + 862^2 .

It is a cyclic number.

It is not a de Polignac number, because 2378885 - 2⁴ = 2378869 is a prime.

It is a d-powerful number, because it can be written as 2¹⁴ + 3² + 7 + 8² + 8⁶ + 8⁷ + 5⁵ .

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 237884 + ... + 237893.

It is an arithmetic number, because the mean of its divisors is an integer number (713667).

2^2378885 is an apocalyptic number.

It is an amenable number.

2378885 is a deficient number, since it is larger than the sum of its proper divisors (475783).

2378885 is an equidigital number, since it uses as much as digits as its factorization.

2378885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475782.

The product of its digits is 107520, while the sum is 41.

The square root of 2378885 is about 1542.3634461436. The cubic root of 2378885 is about 133.4927918602.

The spelling of 2378885 in words is "two million, three hundred seventy-eight thousand, eight hundred eighty-five".