42938 has 8 divisors (see below), whose sum is σ = 73632. Its totient is φ = 18396.
The previous prime is 42937. The next prime is 42943. The reversal of 42938 is 83924.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42937) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1520 + ... + 1547.
It is an arithmetic number, because the mean of its divisors is an integer number (9204).
242938 is an apocalyptic number.
42938 is a deficient number, since it is larger than the sum of its proper divisors (30694).
42938 is a wasteful number, since it uses less digits than its factorization.
42938 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3076.
The product of its digits is 1728, while the sum is 26.
The square root of 42938 is about 207.2148643317. The cubic root of 42938 is about 35.0171344675.
The spelling of 42938 in words is "forty-two thousand, nine hundred thirty-eight".
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