38709338 has 4 divisors (see below), whose sum is σ = 58064010. Its totient is φ = 19354668.

The previous prime is 38709337. The next prime is 38709343. The reversal of 38709338 is 83390783.

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

It can be written as a sum of positive squares in only one way, i.e., 22250089 + 16459249 = 4717^2 + 4057^2 .

It is a junction number, because it is equal to n+sod(n) for n = 38709295 and 38709304.

It is not an unprimeable number, because it can be changed into a prime (38709337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9677333 + ... + 9677336.

Almost surely, 2^38709338 is an apocalyptic number.

38709338 is a deficient number, since it is larger than the sum of its proper divisors (19354672).

38709338 is a wasteful number, since it uses less digits than its factorization.

38709338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19354671.

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 38709338 is about 6221.6828913084. The cubic root of 38709338 is about 338.2765671679.

The spelling of 38709338 in words is "thirty-eight million, seven hundred nine thousand, three hundred thirty-eight".