40938238 has 8 divisors (see below), whose sum is σ = 66989880. Its totient is φ = 18608280.

The previous prime is 40938223. The next prime is 40938239. The reversal of 40938238 is 83283904.

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

It is a junction number, because it is equal to n+sod(n) for n = 40938197 and 40938206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40938239) 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, 930393 + ... + 930436.

It is an arithmetic number, because the mean of its divisors is an integer number (8373735).

Almost surely, 2^40938238 is an apocalyptic number.

40938238 is a deficient number, since it is larger than the sum of its proper divisors (26051642).

40938238 is a wasteful number, since it uses less digits than its factorization.

40938238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1860842.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 40938238 is about 6398.2996178672. The cubic root of 40938238 is about 344.6484916636.

The spelling of 40938238 in words is "forty million, nine hundred thirty-eight thousand, two hundred thirty-eight".