2308478 has 4 divisors (see below), whose sum is σ = 3462720. Its totient is φ = 1154238.

The previous prime is 2308469. The next prime is 2308483. The reversal of 2308478 is 8748032.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 577118 + ... + 577121.

It is an arithmetic number, because the mean of its divisors is an integer number (865680).

2^2308478 is an apocalyptic number.

2308478 is a deficient number, since it is larger than the sum of its proper divisors (1154242).

2308478 is a wasteful number, since it uses less digits than its factorization.

2308478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1154241.

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 2308478 is about 1519.3676316152. The cubic root of 2308478 is about 132.1626018846.

The spelling of 2308478 in words is "two million, three hundred eight thousand, four hundred seventy-eight".