42611938 has 8 divisors (see below), whose sum is σ = 65645532. Its totient is φ = 20730096.

The previous prime is 42611923. The next prime is 42611941. The reversal of 42611938 is 83911624.

It can be written as a sum of positive squares in 2 ways, for example, as 35010889 + 7601049 = 5917^2 + 2757^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 287845 + ... + 287992.

Almost surely, 2^42611938 is an apocalyptic number.

42611938 is a deficient number, since it is larger than the sum of its proper divisors (23033594).

42611938 is a wasteful number, since it uses less digits than its factorization.

42611938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575876.

The product of its digits is 10368, while the sum is 34.

The square root of 42611938 is about 6527.7820122918. The cubic root of 42611938 is about 349.2827160489.

The spelling of 42611938 in words is "forty-two million, six hundred eleven thousand, nine hundred thirty-eight".