42860308 has 24 divisors (see below), whose sum is σ = 76635720. Its totient is φ = 20968320.

The previous prime is 42860303. The next prime is 42860317. The reversal of 42860308 is 80306824.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4072324 + 38787984 = 2018^2 + 6228^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 42860308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42860303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65310 + ... + 65962.

It is an arithmetic number, because the mean of its divisors is an integer number (3193155).

Almost surely, 2^42860308 is an apocalyptic number.

It is an amenable number.

42860308 is a deficient number, since it is larger than the sum of its proper divisors (33775412).

42860308 is a wasteful number, since it uses less digits than its factorization.

42860308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 987 (or 985 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 42860308 is about 6546.7784443954. The cubic root of 42860308 is about 349.9600172014.

The spelling of 42860308 in words is "forty-two million, eight hundred sixty thousand, three hundred eight".