8479743 has 16 divisors (see below), whose sum is σ = 11757312. Its totient is φ = 5432000.

The previous prime is 8479741. The next prime is 8479747. The reversal of 8479743 is 3479748.

8479743 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 2912²-1.

It is a cyclic number.

It is not a de Polignac number, because 8479743 - 2¹ = 8479741 is a prime.

8479743 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 8479695 and 8479704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8479741) 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, 8248 + ... + 9218.

It is an arithmetic number, because the mean of its divisors is an integer number (734832).

Almost surely, 2^8479743 is an apocalyptic number.

8479743 is a deficient number, since it is larger than the sum of its proper divisors (3277569).

8479743 is a wasteful number, since it uses less digits than its factorization.

8479743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1086.

The product of its digits is 169344, while the sum is 42.

The square root of 8479743 is about 2911.9998282967. Note that the first 3 decimals coincide. The cubic root of 8479743 is about 203.9205043968.

The spelling of 8479743 in words is "eight million, four hundred seventy-nine thousand, seven hundred forty-three".