38198669 has 2 divisors, whose sum is σ = 38198670. Its totient is φ = 38198668.

The previous prime is 38198659. The next prime is 38198767. The reversal of 38198669 is 96689183.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32376100 + 5822569 = 5690^2 + 2413^2 .

It is a cyclic number.

It is not a de Polignac number, because 38198669 - 2²⁴ = 21421453 is a prime.

It is a super-2 number, since 2×38198669² = 2918276626743122, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38198659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19099334 + 19099335.

It is an arithmetic number, because the mean of its divisors is an integer number (19099335).

Almost surely, 2^38198669 is an apocalyptic number.

It is an amenable number.

38198669 is a deficient number, since it is larger than the sum of its proper divisors (1).

38198669 is an equidigital number, since it uses as much as digits as its factorization.

38198669 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 38198669 is about 6180.5071798356. The cubic root of 38198669 is about 336.7824175829.

The spelling of 38198669 in words is "thirty-eight million, one hundred ninety-eight thousand, six hundred sixty-nine".