42938908 has 24 divisors (see below), whose sum is σ = 78170400. Its totient is φ = 20612928.

The previous prime is 42938899. The next prime is 42938921. The reversal of 42938908 is 80983924.

It is a happy number.

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, 21913 + ... + 23791.

It is an arithmetic number, because the mean of its divisors is an integer number (3257100).

Almost surely, 2^42938908 is an apocalyptic number.

It is an amenable number.

42938908 is a deficient number, since it is larger than the sum of its proper divisors (35231492).

42938908 is a wasteful number, since it uses less digits than its factorization.

42938908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2109 (or 2107 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 43.

The square root of 42938908 is about 6552.7786472610. The cubic root of 42938908 is about 350.1738129884.

The spelling of 42938908 in words is "forty-two million, nine hundred thirty-eight thousand, nine hundred eight".