42305938 has 4 divisors (see below), whose sum is σ = 63458910. Its totient is φ = 21152968.

The previous prime is 42305881. The next prime is 42305959. The reversal of 42305938 is 83950324.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 41692849 + 613089 = 6457^2 + 783^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10576483 + ... + 10576486.

Almost surely, 2^42305938 is an apocalyptic number.

42305938 is a deficient number, since it is larger than the sum of its proper divisors (21152972).

42305938 is a wasteful number, since it uses less digits than its factorization.

42305938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21152971.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 42305938 is about 6504.3014997769. The cubic root of 42305938 is about 348.4446302830. Note that the first 3 decimals are identical.

The spelling of 42305938 in words is "forty-two million, three hundred five thousand, nine hundred thirty-eight".