38982169 has 2 divisors, whose sum is σ = 38982170. Its totient is φ = 38982168.

The previous prime is 38982161. The next prime is 38982187. The reversal of 38982169 is 96128983.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37356544 + 1625625 = 6112^2 + 1275^2 .

It is a cyclic number.

It is not a de Polignac number, because 38982169 - 2³ = 38982161 is a prime.

It is a super-2 number, since 2×38982169² = 3039218999889122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (38982161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19491084 + 19491085.

It is an arithmetic number, because the mean of its divisors is an integer number (19491085).

Almost surely, 2^38982169 is an apocalyptic number.

It is an amenable number.

38982169 is a deficient number, since it is larger than the sum of its proper divisors (1).

38982169 is an equidigital number, since it uses as much as digits as its factorization.

38982169 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 186624, while the sum is 46.

The square root of 38982169 is about 6243.5702126267. The cubic root of 38982169 is about 339.0694537808.

The spelling of 38982169 in words is "thirty-eight million, nine hundred eighty-two thousand, one hundred sixty-nine".