8461047 has 32 divisors (see below), whose sum is σ = 13676544. Its totient is φ = 4550400.

The previous prime is 8461043. The next prime is 8461091. The reversal of 8461047 is 7401648.

8461047 is digitally balanced in base 2, base 3, base 4 and base 8, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8461047 - 2² = 8461043 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

8461047 is strictly pandigital in base 8.

8461047 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8461043) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26533 + ... + 26849.

It is an arithmetic number, because the mean of its divisors is an integer number (427392).

Almost surely, 2^8461047 is an apocalyptic number.

8461047 is a deficient number, since it is larger than the sum of its proper divisors (5215497).

8461047 is a wasteful number, since it uses less digits than its factorization.

8461047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399.

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

The square root of 8461047 is about 2908.7878918890. The cubic root of 8461047 is about 203.7705272455.

The spelling of 8461047 in words is "eight million, four hundred sixty-one thousand, forty-seven".