8669542 has 8 divisors (see below), whose sum is σ = 14862096. Its totient is φ = 3715512.

The previous prime is 8669527. The next prime is 8669543. The reversal of 8669542 is 2459668.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a d-powerful number, because it can be written as 8³ + 6³ + 6⁷ + 9 + 5 + 4⁴ + 2²³ .

It is a junction number, because it is equal to n+sod(n) for n = 8669495 and 8669504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8669543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 309613 + ... + 309640.

It is an arithmetic number, because the mean of its divisors is an integer number (1857762).

Almost surely, 2^8669542 is an apocalyptic number.

8669542 is a deficient number, since it is larger than the sum of its proper divisors (6192554).

8669542 is a wasteful number, since it uses less digits than its factorization.

8669542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 619262.

The product of its digits is 103680, while the sum is 40.

The square root of 8669542 is about 2944.4085993625. The cubic root of 8669542 is about 205.4307184319.

The spelling of 8669542 in words is "eight million, six hundred sixty-nine thousand, five hundred forty-two".