38670238 has 4 divisors (see below), whose sum is σ = 58005360. Its totient is φ = 19335118.

The previous prime is 38670227. The next prime is 38670239. The reversal of 38670238 is 83207683.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83207683 = 13 ⋅6400591.

It is a junction number, because it is equal to n+sod(n) for n = 38670197 and 38670206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38670239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9667558 + ... + 9667561.

It is an arithmetic number, because the mean of its divisors is an integer number (14501340).

Almost surely, 2^38670238 is an apocalyptic number.

38670238 is a deficient number, since it is larger than the sum of its proper divisors (19335122).

38670238 is a wasteful number, since it uses less digits than its factorization.

38670238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19335121.

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 38670238 is about 6218.5398607712. The cubic root of 38670238 is about 338.1626319581.

The spelling of 38670238 in words is "thirty-eight million, six hundred seventy thousand, two hundred thirty-eight".