38149 has 2 divisors, whose sum is σ = 38150. Its totient is φ = 38148.
The previous prime is 38119. The next prime is 38153. The reversal of 38149 is 94183.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 37249 + 900 = 193^2 + 30^2 .
It is a cyclic number.
It is not a de Polignac number, because 38149 - 215 = 5381 is a prime.
It is an alternating number because its digits alternate between odd and even.
38149 is a lucky number.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (38119) by changing a digit.
It is a good prime.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19074 + 19075.
It is an arithmetic number, because the mean of its divisors is an integer number (19075).
238149 is an apocalyptic number.
It is an amenable number.
38149 is a deficient number, since it is larger than the sum of its proper divisors (1).
38149 is an equidigital number, since it uses as much as digits as its factorization.
38149 is an evil number, because the sum of its binary digits is even.
The product of its digits is 864, while the sum is 25.
The square root of 38149 is about 195.3176899310. The cubic root of 38149 is about 33.6636383687.
The spelling of 38149 in words is "thirty-eight thousand, one hundred forty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.094 sec. • engine limits •