8609742 has 24 divisors (see below), whose sum is σ = 19053216. Its totient is φ = 2808576.

The previous prime is 8609729. The next prime is 8609753. The reversal of 8609742 is 2479068.

8609742 is a `hidden beast` number, since 8 + 609 + 7 + 42 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 8609697 and 8609706.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4243 + ... + 5934.

It is an arithmetic number, because the mean of its divisors is an integer number (793884).

Almost surely, 2^8609742 is an apocalyptic number.

8609742 is an abundant number, since it is smaller than the sum of its proper divisors (10443474).

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

8609742 is a wasteful number, since it uses less digits than its factorization.

8609742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10232 (or 10229 counting only the distinct ones).

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

The square root of 8609742 is about 2934.2361868125. The cubic root of 8609742 is about 204.9572942967.

The spelling of 8609742 in words is "eight million, six hundred nine thousand, seven hundred forty-two".