8731494 has 48 divisors (see below), whose sum is σ = 20077200. Its totient is φ = 2737728.

The previous prime is 8731493. The next prime is 8731501. The reversal of 8731494 is 4941378.

It is a happy number.

8731494 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8731493) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22252 + ... + 22640.

It is an arithmetic number, because the mean of its divisors is an integer number (418275).

Almost surely, 2^8731494 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8731494, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10038600).

8731494 is an abundant number, since it is smaller than the sum of its proper divisors (11345706).

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

8731494 is a wasteful number, since it uses less digits than its factorization.

8731494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469 (or 466 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 8731494 is about 2954.9101509183. The cubic root of 8731494 is about 205.9188891093.

The spelling of 8731494 in words is "eight million, seven hundred thirty-one thousand, four hundred ninety-four".