8447494 has 24 divisors (see below), whose sum is σ = 14162904. Its totient is φ = 3775200.

The previous prime is 8447489. The next prime is 8447501. The reversal of 8447494 is 4947448.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15954 + ... + 16474.

It is an arithmetic number, because the mean of its divisors is an integer number (590121).

Almost surely, 2^8447494 is an apocalyptic number.

8447494 is a deficient number, since it is larger than the sum of its proper divisors (5715410).

8447494 is a wasteful number, since it uses less digits than its factorization.

8447494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612 (or 601 counting only the distinct ones).

The product of its digits is 129024, while the sum is 40.

The square root of 8447494 is about 2906.4572936825. The cubic root of 8447494 is about 203.6616684622.

It can be divided in two parts, 844 and 7494, that added together give a palindrome (8338).

The spelling of 8447494 in words is "eight million, four hundred forty-seven thousand, four hundred ninety-four".