42884686 has 8 divisors (see below), whose sum is σ = 69275304. Its totient is φ = 19792920.

The previous prime is 42884683. The next prime is 42884713. The reversal of 42884686 is 68648824.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42884683) 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, 824680 + ... + 824731.

It is an arithmetic number, because the mean of its divisors is an integer number (8659413).

Almost surely, 2^42884686 is an apocalyptic number.

42884686 is a deficient number, since it is larger than the sum of its proper divisors (26390618).

42884686 is a wasteful number, since it uses less digits than its factorization.

42884686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1649426.

The product of its digits is 589824, while the sum is 46.

The square root of 42884686 is about 6548.6400114833. The cubic root of 42884686 is about 350.0263544781.

The spelling of 42884686 in words is "forty-two million, eight hundred eighty-four thousand, six hundred eighty-six".