38196869 has 2 divisors, whose sum is σ = 38196870. Its totient is φ = 38196868.

The previous prime is 38196827. The next prime is 38196877. The reversal of 38196869 is 96869183.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37368769 + 828100 = 6113^2 + 910^2 .

It is a cyclic number.

It is not a de Polignac number, because 38196869 - 2¹² = 38192773 is a prime.

It is a super-2 number, since 2×38196869² = 2918001602806322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38196889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19098434 + 19098435.

It is an arithmetic number, because the mean of its divisors is an integer number (19098435).

Almost surely, 2^38196869 is an apocalyptic number.

It is an amenable number.

38196869 is a deficient number, since it is larger than the sum of its proper divisors (1).

38196869 is an equidigital number, since it uses as much as digits as its factorization.

38196869 is an evil number, because the sum of its binary digits is even.

The product of its digits is 559872, while the sum is 50.

The square root of 38196869 is about 6180.3615590028. The cubic root of 38196869 is about 336.7771275393. Note that the first 3 decimals are identical.

The spelling of 38196869 in words is "thirty-eight million, one hundred ninety-six thousand, eight hundred sixty-nine".