8742286 has 24 divisors (see below), whose sum is σ = 15673176. Its totient is φ = 3643920.

The previous prime is 8742263. The next prime is 8742313. The reversal of 8742286 is 6822478.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2421 + ... + 4831.

It is an arithmetic number, because the mean of its divisors is an integer number (653049).

Almost surely, 2^8742286 is an apocalyptic number.

8742286 is a deficient number, since it is larger than the sum of its proper divisors (6930890).

8742286 is a wasteful number, since it uses less digits than its factorization.

8742286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2464 (or 2457 counting only the distinct ones).

The product of its digits is 43008, while the sum is 37.

The square root of 8742286 is about 2956.7357000584. The cubic root of 8742286 is about 206.0036917678.

It can be divided in two parts, 874 and 2286, that added together give a triangular number (3160 = T₇₉).

The spelling of 8742286 in words is "eight million, seven hundred forty-two thousand, two hundred eighty-six".