38742283 has 4 divisors (see below), whose sum is σ = 38785360. Its totient is φ = 38699208.

The previous prime is 38742233. The next prime is 38742299. The reversal of 38742283 is 38224783.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38742283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38742233) 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, 20160 + ... + 21997.

It is an arithmetic number, because the mean of its divisors is an integer number (9696340).

Almost surely, 2^38742283 is an apocalyptic number.

38742283 is a deficient number, since it is larger than the sum of its proper divisors (43077).

38742283 is an equidigital number, since it uses as much as digits as its factorization.

38742283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43076.

The product of its digits is 64512, while the sum is 37.

The square root of 38742283 is about 6224.3299237749. The cubic root of 38742283 is about 338.3725075097.

The spelling of 38742283 in words is "thirty-eight million, seven hundred forty-two thousand, two hundred eighty-three".