8642488 has 8 divisors (see below), whose sum is σ = 16204680. Its totient is φ = 4321240.

The previous prime is 8642467. The next prime is 8642489. The reversal of 8642488 is 8842468.

It is a tau number, because it is divible by the number of its divisors (8).

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 8642488.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8642489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 540148 + ... + 540163.

It is an arithmetic number, because the mean of its divisors is an integer number (2025585).

Almost surely, 2^8642488 is an apocalyptic number.

It is an amenable number.

8642488 is a deficient number, since it is larger than the sum of its proper divisors (7562192).

8642488 is a wasteful number, since it uses less digits than its factorization.

8642488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1080317 (or 1080313 counting only the distinct ones).

The product of its digits is 98304, while the sum is 40.

The square root of 8642488 is about 2939.8108782709. The cubic root of 8642488 is about 205.2168081005.

The spelling of 8642488 in words is "eight million, six hundred forty-two thousand, four hundred eighty-eight".