42808316 has 6 divisors (see below), whose sum is σ = 74914560. Its totient is φ = 21404156.

The previous prime is 42808309. The next prime is 42808319. The reversal of 42808316 is 61380824.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42808319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5351036 + ... + 5351043.

It is an arithmetic number, because the mean of its divisors is an integer number (12485760).

Almost surely, 2^42808316 is an apocalyptic number.

It is an amenable number.

42808316 is a deficient number, since it is larger than the sum of its proper divisors (32106244).

42808316 is a wasteful number, since it uses less digits than its factorization.

42808316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10702083 (or 10702081 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 42808316 is about 6542.8064314941. The cubic root of 42808316 is about 349.8184527854.

The spelling of 42808316 in words is "forty-two million, eight hundred eight thousand, three hundred sixteen".