42208684 has 12 divisors (see below), whose sum is σ = 84417424. Its totient is φ = 18089424.

The previous prime is 42208669. The next prime is 42208697. The reversal of 42208684 is 48680224.

42208684 is an admirable number.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 753699 + ... + 753754.

Almost surely, 2^42208684 is an apocalyptic number.

It is an amenable number.

42208684 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42208684 is a wasteful number, since it uses less digits than its factorization.

42208684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1507464 (or 1507462 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 34.

The square root of 42208684 is about 6496.8210687997. The cubic root of 42208684 is about 348.1774208702.

The spelling of 42208684 in words is "forty-two million, two hundred eight thousand, six hundred eighty-four".