38742211 has 2 divisors, whose sum is σ = 38742212. Its totient is φ = 38742210.

The previous prime is 38742191. The next prime is 38742227. The reversal of 38742211 is 11224783.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 38742211 - 2¹⁵ = 38709443 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38742211.

It is not a weakly prime, because it can be changed into another prime (38745211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19371105 + 19371106.

It is an arithmetic number, because the mean of its divisors is an integer number (19371106).

Almost surely, 2^38742211 is an apocalyptic number.

38742211 is a deficient number, since it is larger than the sum of its proper divisors (1).

38742211 is an equidigital number, since it uses as much as digits as its factorization.

38742211 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2688, while the sum is 28.

The square root of 38742211 is about 6224.3241400171. The cubic root of 38742211 is about 338.3722978951.

Adding to 38742211 its reverse (11224783), we get a palindrome (49966994).

The spelling of 38742211 in words is "thirty-eight million, seven hundred forty-two thousand, two hundred eleven".