8649042 has 16 divisors (see below), whose sum is σ = 17346432. Its totient is φ = 2874960.

The previous prime is 8649029. The next prime is 8649049. The reversal of 8649042 is 2409468.

8649042 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 8648994 and 8649012.

It is not an unprimeable number, because it can be changed into a prime (8649049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 567 + ... + 4197.

It is an arithmetic number, because the mean of its divisors is an integer number (1084152).

Almost surely, 2^8649042 is an apocalyptic number.

8649042 is an abundant number, since it is smaller than the sum of its proper divisors (8697390).

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

8649042 is a wasteful number, since it uses less digits than its factorization.

8649042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4033.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 8649042 is about 2940.9253645749. The cubic root of 8649042 is about 205.2686701381.

The spelling of 8649042 in words is "eight million, six hundred forty-nine thousand, forty-two".