2378555 has 8 divisors (see below), whose sum is σ = 3022272. Its totient is φ = 1790848.

The previous prime is 2378549. The next prime is 2378569. The reversal of 2378555 is 5558732.

2378555 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2378555 - 2⁴ = 2378539 is a prime.

It is a d-powerful number, because it can be written as 2⁹ + 3¹³ + 7⁴ + 8² + 5 + 5⁸ + 5⁸ .

It is a Duffinian number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 13907 + ... + 14076.

It is an arithmetic number, because the mean of its divisors is an integer number (377784).

2^2378555 is an apocalyptic number.

2378555 is a deficient number, since it is larger than the sum of its proper divisors (643717).

2378555 is a wasteful number, since it uses less digits than its factorization.

2378555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28005.

The product of its digits is 42000, while the sum is 35.

The square root of 2378555 is about 1542.2564637569. The cubic root of 2378555 is about 133.4866188480.

The spelling of 2378555 in words is "two million, three hundred seventy-eight thousand, five hundred fifty-five".