8193478 has 8 divisors (see below), whose sum is σ = 12576168. Its totient is φ = 4001424.

The previous prime is 8193469. The next prime is 8193491. The reversal of 8193478 is 8743918.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 8193478.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47551 + ... + 47722.

It is an arithmetic number, because the mean of its divisors is an integer number (1572021).

Almost surely, 2^8193478 is an apocalyptic number.

8193478 is a deficient number, since it is larger than the sum of its proper divisors (4382690).

8193478 is a wasteful number, since it uses less digits than its factorization.

8193478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95318.

The product of its digits is 48384, while the sum is 40.

The square root of 8193478 is about 2862.4251955291. The cubic root of 8193478 is about 201.5994907132.

It can be divided in two parts, 819 and 3478, that multiplied together give a palindrome (2848482).

The spelling of 8193478 in words is "eight million, one hundred ninety-three thousand, four hundred seventy-eight".