38211941 has 2 divisors, whose sum is σ = 38211942. Its totient is φ = 38211940.

The previous prime is 38211931. The next prime is 38211961. The reversal of 38211941 is 14911283.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26481316 + 11730625 = 5146^2 + 3425^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38211941 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38211931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19105970 + 19105971.

It is an arithmetic number, because the mean of its divisors is an integer number (19105971).

Almost surely, 2^38211941 is an apocalyptic number.

It is an amenable number.

38211941 is a deficient number, since it is larger than the sum of its proper divisors (1).

38211941 is an equidigital number, since it uses as much as digits as its factorization.

38211941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728, while the sum is 29.

The square root of 38211941 is about 6181.5807848802. The cubic root of 38211941 is about 336.8214177086.

The spelling of 38211941 in words is "thirty-eight million, two hundred eleven thousand, nine hundred forty-one".