8478154 has 4 divisors (see below), whose sum is σ = 12717234. Its totient is φ = 4239076.

The previous prime is 8478149. The next prime is 8478163. The reversal of 8478154 is 4518748.

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., 7102225 + 1375929 = 2665^2 + 1173^2 .

It is an unprimeable number.

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, 2119537 + ... + 2119540.

Almost surely, 2^8478154 is an apocalyptic number.

8478154 is a deficient number, since it is larger than the sum of its proper divisors (4239080).

8478154 is a wasteful number, since it uses less digits than its factorization.

8478154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4239079.

The product of its digits is 35840, while the sum is 37.

The square root of 8478154 is about 2911.7269789594. The cubic root of 8478154 is about 203.9077661993.

The spelling of 8478154 in words is "eight million, four hundred seventy-eight thousand, one hundred fifty-four".