42206808 has 32 divisors (see below), whose sum is σ = 120591360. Its totient is φ = 12059040.

The previous prime is 42206797. The next prime is 42206819. The reversal of 42206808 is 80860224.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (42206797) and next prime (42206819).

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125448 + ... + 125783.

It is an arithmetic number, because the mean of its divisors is an integer number (3768480).

Almost surely, 2^42206808 is an apocalyptic number.

It is an amenable number.

42206808 is an abundant number, since it is smaller than the sum of its proper divisors (78384552).

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

42206808 is a wasteful number, since it uses less digits than its factorization.

42206808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251247 (or 251243 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 42206808 is about 6496.6766888926. The cubic root of 42206808 is about 348.1722624490.

The spelling of 42206808 in words is "forty-two million, two hundred six thousand, eight hundred eight".