38406911 has 2 divisors, whose sum is σ = 38406912. Its totient is φ = 38406910.

The previous prime is 38406899. The next prime is 38406937. The reversal of 38406911 is 11960483.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 38406911 - 2¹⁸ = 38144767 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38406211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19203455 + 19203456.

It is an arithmetic number, because the mean of its divisors is an integer number (19203456).

Almost surely, 2^38406911 is an apocalyptic number.

38406911 is a deficient number, since it is larger than the sum of its proper divisors (1).

38406911 is an equidigital number, since it uses as much as digits as its factorization.

38406911 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 38406911 is about 6197.3309577592. The cubic root of 38406911 is about 337.3933043620.

The spelling of 38406911 in words is "thirty-eight million, four hundred six thousand, nine hundred eleven".