8731485 has 48 divisors (see below), whose sum is σ = 17656704. Its totient is φ = 3908736.

The previous prime is 8731477. The next prime is 8731493. The reversal of 8731485 is 5841378.

It is an interprime number because it is at equal distance from previous prime (8731477) and next prime (8731493).

It is not a de Polignac number, because 8731485 - 2³ = 8731477 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16434 + ... + 16956.

It is an arithmetic number, because the mean of its divisors is an integer number (367848).

Almost surely, 2^8731485 is an apocalyptic number.

It is an amenable number.

8731485 is an abundant number, since it is smaller than the sum of its proper divisors (8925219).

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

8731485 is a wasteful number, since it uses less digits than its factorization.

8731485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 594 (or 591 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 8731485 is about 2954.9086280290. The cubic root of 8731485 is about 205.9188183589.

It can be divided in two parts, 8731 and 485, that added together give a square (9216 = 96²).

The spelling of 8731485 in words is "eight million, seven hundred thirty-one thousand, four hundred eighty-five".