38817242 has 8 divisors (see below), whose sum is σ = 59646132. Its totient is φ = 18935200.

The previous prime is 38817241. The next prime is 38817257. The reversal of 38817242 is 24271883.

It can be written as a sum of positive squares in 2 ways, for example, as 36228361 + 2588881 = 6019^2 + 1609^2 .

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

It is not an unprimeable number, because it can be changed into a prime (38817241) 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, 236609 + ... + 236772.

Almost surely, 2^38817242 is an apocalyptic number.

38817242 is a deficient number, since it is larger than the sum of its proper divisors (20828890).

38817242 is a wasteful number, since it uses less digits than its factorization.

38817242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473424.

The product of its digits is 21504, while the sum is 35.

The square root of 38817242 is about 6230.3484653750. The cubic root of 38817242 is about 338.5905958803.

The spelling of 38817242 in words is "thirty-eight million, eight hundred seventeen thousand, two hundred forty-two".