8726842 has 4 divisors (see below), whose sum is σ = 13090266. Its totient is φ = 4363420.

The previous prime is 8726803. The next prime is 8726849. The reversal of 8726842 is 2486278.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 6713281 + 2013561 = 2591^2 + 1419^2 .

It is not an unprimeable number, because it can be changed into a prime (8726849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2181709 + ... + 2181712.

Almost surely, 2^8726842 is an apocalyptic number.

8726842 is a deficient number, since it is larger than the sum of its proper divisors (4363424).

8726842 is a wasteful number, since it uses less digits than its factorization.

8726842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4363423.

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

The square root of 8726842 is about 2954.1228816689. The cubic root of 8726842 is about 205.8823125186.

The spelling of 8726842 in words is "eight million, seven hundred twenty-six thousand, eight hundred forty-two".