8673940 has 48 divisors (see below), whose sum is σ = 20139840. Its totient is φ = 3111680.

The previous prime is 8673923. The next prime is 8673941. The reversal of 8673940 is 493768.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 8673940.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8673941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19359 + ... + 19801.

It is an arithmetic number, because the mean of its divisors is an integer number (419580).

Almost surely, 2^8673940 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 8673940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10069920).

8673940 is an abundant number, since it is smaller than the sum of its proper divisors (11465900).

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

8673940 is a wasteful number, since it uses less digits than its factorization.

8673940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552 (or 550 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 8673940 is about 2945.1553439505. The cubic root of 8673940 is about 205.4654504306.

The spelling of 8673940 in words is "eight million, six hundred seventy-three thousand, nine hundred forty".