8742886 has 8 divisors (see below), whose sum is σ = 13329504. Its totient is φ = 4299720.

The previous prime is 8742857. The next prime is 8742887. The reversal of 8742886 is 6882478.

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

It is a super-3 number, since 3×8742886³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8742887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35710 + ... + 35953.

It is an arithmetic number, because the mean of its divisors is an integer number (1666188).

Almost surely, 2^8742886 is an apocalyptic number.

8742886 is a deficient number, since it is larger than the sum of its proper divisors (4586618).

8742886 is a wasteful number, since it uses less digits than its factorization.

8742886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71726.

The product of its digits is 172032, while the sum is 43.

The square root of 8742886 is about 2956.8371615630. The cubic root of 8742886 is about 206.0084044706.

The spelling of 8742886 in words is "eight million, seven hundred forty-two thousand, eight hundred eighty-six".