8289478 has 4 divisors (see below), whose sum is σ = 12434220. Its totient is φ = 4144738.

The previous prime is 8289469. The next prime is 8289487. The reversal of 8289478 is 8749828.

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

It is an interprime number because it is at equal distance from previous prime (8289469) and next prime (8289487).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2072368 + ... + 2072371.

It is an arithmetic number, because the mean of its divisors is an integer number (3108555).

Almost surely, 2^8289478 is an apocalyptic number.

8289478 is a deficient number, since it is larger than the sum of its proper divisors (4144742).

8289478 is a wasteful number, since it uses less digits than its factorization.

8289478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4144741.

The product of its digits is 258048, while the sum is 46.

The square root of 8289478 is about 2879.1453593037. The cubic root of 8289478 is about 202.3837914760.

The spelling of 8289478 in words is "eight million, two hundred eighty-nine thousand, four hundred seventy-eight".