38239189 has 2 divisors, whose sum is σ = 38239190. Its totient is φ = 38239188.

The previous prime is 38239181. The next prime is 38239193. The reversal of 38239189 is 98193283.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33443089 + 4796100 = 5783^2 + 2190^2 .

It is a cyclic number.

It is not a de Polignac number, because 38239189 - 2³ = 38239181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38239181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19119594 + 19119595.

It is an arithmetic number, because the mean of its divisors is an integer number (19119595).

Almost surely, 2^38239189 is an apocalyptic number.

It is an amenable number.

38239189 is a deficient number, since it is larger than the sum of its proper divisors (1).

38239189 is an equidigital number, since it uses as much as digits as its factorization.

38239189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 93312, while the sum is 43.

The square root of 38239189 is about 6183.7843591121. The cubic root of 38239189 is about 336.9014583900.

The spelling of 38239189 in words is "thirty-eight million, two hundred thirty-nine thousand, one hundred eighty-nine".