8454147 has 16 divisors (see below), whose sum is σ = 12203520. Its totient is φ = 5175072.

The previous prime is 8454143. The next prime is 8454191. The reversal of 8454147 is 7414548.

It is not a de Polignac number, because 8454147 - 2² = 8454143 is a prime.

8454147 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (8454143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8868 + ... + 9774.

It is an arithmetic number, because the mean of its divisors is an integer number (762720).

Almost surely, 2^8454147 is an apocalyptic number.

8454147 is a deficient number, since it is larger than the sum of its proper divisors (3749373).

8454147 is a wasteful number, since it uses less digits than its factorization.

8454147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1162.

The product of its digits is 17920, while the sum is 33.

The square root of 8454147 is about 2907.6015889389. The cubic root of 8454147 is about 203.7151204298.

The spelling of 8454147 in words is "eight million, four hundred fifty-four thousand, one hundred forty-seven".