38089949 has 2 divisors, whose sum is σ = 38089950. Its totient is φ = 38089948.

The previous prime is 38089937. The next prime is 38089951. The reversal of 38089949 is 94998083.

38089949 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31561924 + 6528025 = 5618^2 + 2555^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38089949 is a prime.

It is a Sophie Germain prime.

Together with 38089951, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 38089897 and 38089906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38089999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19044974 + 19044975.

It is an arithmetic number, because the mean of its divisors is an integer number (19044975).

Almost surely, 2^38089949 is an apocalyptic number.

It is an amenable number.

38089949 is a deficient number, since it is larger than the sum of its proper divisors (1).

38089949 is an equidigital number, since it uses as much as digits as its factorization.

38089949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 559872, while the sum is 50.

The square root of 38089949 is about 6171.7055179261. The cubic root of 38089949 is about 336.4626003576.

The spelling of 38089949 in words is "thirty-eight million, eighty-nine thousand, nine hundred forty-nine".