8477312 has 32 divisors (see below), whose sum is σ = 17078880. Its totient is φ = 4190976.

The previous prime is 8477311. The next prime is 8477323. The reversal of 8477312 is 2137748.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8477311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12863 + ... + 13505.

It is an arithmetic number, because the mean of its divisors is an integer number (533715).

Almost surely, 2^8477312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8477312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8539440).

8477312 is an abundant number, since it is smaller than the sum of its proper divisors (8601568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8477312 is a wasteful number, since it uses less digits than its factorization.

8477312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 760 (or 748 counting only the distinct ones).

The product of its digits is 9408, while the sum is 32.

The square root of 8477312 is about 2911.5823876373. The cubic root of 8477312 is about 203.9010156723.

The spelling of 8477312 in words is "eight million, four hundred seventy-seven thousand, three hundred twelve".