42927838 has 16 divisors (see below), whose sum is σ = 65589264. Its totient is φ = 21067200.

The previous prime is 42927817. The next prime is 42927847. The reversal of 42927838 is 83872924.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 42927794 and 42927803.

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, 60888 + ... + 61588.

It is an arithmetic number, because the mean of its divisors is an integer number (4099329).

Almost surely, 2^42927838 is an apocalyptic number.

42927838 is a deficient number, since it is larger than the sum of its proper divisors (22661426).

42927838 is a wasteful number, since it uses less digits than its factorization.

42927838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1227.

The product of its digits is 193536, while the sum is 43.

The square root of 42927838 is about 6551.9339129756. The cubic root of 42927838 is about 350.1437178489.

The spelling of 42927838 in words is "forty-two million, nine hundred twenty-seven thousand, eight hundred thirty-eight".