2378806 has 4 divisors (see below), whose sum is σ = 3568212. Its totient is φ = 1189402.

The previous prime is 2378801. The next prime is 2378807. The reversal of 2378806 is 6088732.

It is a happy number.

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 (2378801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 594700 + ... + 594703.

It is an arithmetic number, because the mean of its divisors is an integer number (892053).

2^2378806 is an apocalyptic number.

2378806 is a deficient number, since it is larger than the sum of its proper divisors (1189406).

2378806 is a wasteful number, since it uses less digits than its factorization.

2378806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1189405.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 2378806 is about 1542.3378358842. The cubic root of 2378806 is about 133.4913141305.

The spelling of 2378806 in words is "two million, three hundred seventy-eight thousand, eight hundred six".