38942237 has 4 divisors (see below), whose sum is σ = 38957280. Its totient is φ = 38927196.

The previous prime is 38942207. The next prime is 38942249. The reversal of 38942237 is 73224983.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 38942237 - 2¹⁰ = 38941213 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 38942237.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38942207) 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, 2537 + ... + 9182.

It is an arithmetic number, because the mean of its divisors is an integer number (9739320).

Almost surely, 2^38942237 is an apocalyptic number.

It is an amenable number.

38942237 is a deficient number, since it is larger than the sum of its proper divisors (15043).

38942237 is a wasteful number, since it uses less digits than its factorization.

38942237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15042.

The product of its digits is 72576, while the sum is 38.

The square root of 38942237 is about 6240.3715434259. The cubic root of 38942237 is about 338.9536371770.

The spelling of 38942237 in words is "thirty-eight million, nine hundred forty-two thousand, two hundred thirty-seven".