808378 has 4 divisors (see below), whose sum is σ = 1212570. Its totient is φ = 404188.

The previous prime is 808373. The next prime is 808391. The reversal of 808378 is 873808.

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

It can be written as a sum of positive squares in only one way, i.e., 786769 + 21609 = 887^2 + 147^2 .

It is not an unprimeable number, because it can be changed into a prime (808373) by changing a digit.

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 as a sum of consecutive naturals, namely, 202093 + ... + 202096.

2⁸⁰⁸³⁷⁸ is an apocalyptic number.

808378 is a deficient number, since it is larger than the sum of its proper divisors (404192).

808378 is a wasteful number, since it uses less digits than its factorization.

808378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404191.

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 808378 is about 899.0984373249. The cubic root of 808378 is about 93.1547122283.

The spelling of 808378 in words is "eight hundred eight thousand, three hundred seventy-eight".