42183908 has 24 divisors (see below), whose sum is σ = 79685760. Its totient is φ = 19424160.

The previous prime is 42183907. The next prime is 42183913. The reversal of 42183908 is 80938124.

It is a happy number.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (42183907) 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, 33653 + ... + 34883.

It is an arithmetic number, because the mean of its divisors is an integer number (3320240).

Almost surely, 2^42183908 is an apocalyptic number.

It is an amenable number.

42183908 is a deficient number, since it is larger than the sum of its proper divisors (37501852).

42183908 is a wasteful number, since it uses less digits than its factorization.

42183908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1907 (or 1905 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 42183908 is about 6494.9140102083. The cubic root of 42183908 is about 348.1092821889.

The spelling of 42183908 in words is "forty-two million, one hundred eighty-three thousand, nine hundred eight".