8447463 has 32 divisors (see below), whose sum is σ = 13332480. Its totient is φ = 5274720.

The previous prime is 8447441. The next prime is 8447471. The reversal of 8447463 is 3647448.

8447463 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8447463 - 2⁵ = 8447431 is a prime.

It is a super-2 number, since 2×8447463² = 142719262272738, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8447423) 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, 37770 + ... + 37992.

It is an arithmetic number, because the mean of its divisors is an integer number (416640).

Almost surely, 2^8447463 is an apocalyptic number.

8447463 is a deficient number, since it is larger than the sum of its proper divisors (4885017).

8447463 is a wasteful number, since it uses less digits than its factorization.

8447463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316 (or 310 counting only the distinct ones).

The product of its digits is 64512, while the sum is 36.

The square root of 8447463 is about 2906.4519607246. The cubic root of 8447463 is about 203.6614193343.

The spelling of 8447463 in words is "eight million, four hundred forty-seven thousand, four hundred sixty-three".