38209697 has 2 divisors, whose sum is σ = 38209698. Its totient is φ = 38209696.

The previous prime is 38209681. The next prime is 38209753. The reversal of 38209697 is 79690283.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36772096 + 1437601 = 6064^2 + 1199^2 .

It is a cyclic number.

It is not a de Polignac number, because 38209697 - 2⁴ = 38209681 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (38209667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19104848 + 19104849.

It is an arithmetic number, because the mean of its divisors is an integer number (19104849).

Almost surely, 2^38209697 is an apocalyptic number.

It is an amenable number.

38209697 is a deficient number, since it is larger than the sum of its proper divisors (1).

38209697 is an equidigital number, since it uses as much as digits as its factorization.

38209697 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 163296, while the sum is 44.

The square root of 38209697 is about 6181.3992752450. The cubic root of 38209697 is about 336.8148242892.

The spelling of 38209697 in words is "thirty-eight million, two hundred nine thousand, six hundred ninety-seven".