8078146 has 4 divisors (see below), whose sum is σ = 12117222. Its totient is φ = 4039072.

The previous prime is 8078143. The next prime is 8078177. The reversal of 8078146 is 6418708.

It is a happy number.

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., 8059921 + 18225 = 2839^2 + 135^2 .

It is not an unprimeable number, because it can be changed into a prime (8078143) 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, 2019535 + ... + 2019538.

Almost surely, 2^8078146 is an apocalyptic number.

8078146 is a deficient number, since it is larger than the sum of its proper divisors (4039076).

8078146 is a wasteful number, since it uses less digits than its factorization.

8078146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4039075.

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

The square root of 8078146 is about 2842.2079445389. The cubic root of 8078146 is about 200.6491076836.

The spelling of 8078146 in words is "eight million, seventy-eight thousand, one hundred forty-six".