38469187 has 2 divisors, whose sum is σ = 38469188. Its totient is φ = 38469186.

The previous prime is 38469173. The next prime is 38469191. The reversal of 38469187 is 78196483.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (78196483) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38469187 - 2²³ = 30080579 is a prime.

It is not a weakly prime, because it can be changed into another prime (38469107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19234593 + 19234594.

It is an arithmetic number, because the mean of its divisors is an integer number (19234594).

Almost surely, 2^38469187 is an apocalyptic number.

38469187 is a deficient number, since it is larger than the sum of its proper divisors (1).

38469187 is an equidigital number, since it uses as much as digits as its factorization.

38469187 is an evil number, because the sum of its binary digits is even.

The product of its digits is 290304, while the sum is 46.

The square root of 38469187 is about 6202.3533436914. The cubic root of 38469187 is about 337.5755646074.

It can be divided in two parts, 38 and 469187, that added together give a square (469225 = 685²).

The spelling of 38469187 in words is "thirty-eight million, four hundred sixty-nine thousand, one hundred eighty-seven".