8160447 has 4 divisors (see below), whose sum is σ = 10880600. Its totient is φ = 5440296.

The previous prime is 8160437. The next prime is 8160473. The reversal of 8160447 is 7440618.

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

It is not a de Polignac number, because 8160447 - 2¹⁰ = 8159423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8160407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1360072 + ... + 1360077.

It is an arithmetic number, because the mean of its divisors is an integer number (2720150).

Almost surely, 2^8160447 is an apocalyptic number.

8160447 is a deficient number, since it is larger than the sum of its proper divisors (2720153).

8160447 is a wasteful number, since it uses less digits than its factorization.

8160447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2720152.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 8160447 is about 2856.6496109954. The cubic root of 8160447 is about 201.3282179916.

The spelling of 8160447 in words is "eight million, one hundred sixty thousand, four hundred forty-seven".