38788149 has 4 divisors (see below), whose sum is σ = 51717536. Its totient is φ = 25858764.

The previous prime is 38788129. The next prime is 38788181. The reversal of 38788149 is 94188783.

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 not a de Polignac number, because 38788149 - 2²³ = 30399541 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38788098 and 38788107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38788129) 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, 6464689 + ... + 6464694.

It is an arithmetic number, because the mean of its divisors is an integer number (12929384).

Almost surely, 2^38788149 is an apocalyptic number.

It is an amenable number.

38788149 is a deficient number, since it is larger than the sum of its proper divisors (12929387).

38788149 is a wasteful number, since it uses less digits than its factorization.

38788149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12929386.

The product of its digits is 387072, while the sum is 48.

The square root of 38788149 is about 6228.0132466140. The cubic root of 38788149 is about 338.5059850417.

The spelling of 38788149 in words is "thirty-eight million, seven hundred eighty-eight thousand, one hundred forty-nine".