38479901 has 2 divisors, whose sum is σ = 38479902. Its totient is φ = 38479900.

The previous prime is 38479877. The next prime is 38479913. The reversal of 38479901 is 10997483.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33051001 + 5428900 = 5749^2 + 2330^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38479901 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 (38479501) 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, 19239950 + 19239951.

It is an arithmetic number, because the mean of its divisors is an integer number (19239951).

Almost surely, 2^38479901 is an apocalyptic number.

It is an amenable number.

38479901 is a deficient number, since it is larger than the sum of its proper divisors (1).

38479901 is an equidigital number, since it uses as much as digits as its factorization.

38479901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 38479901 is about 6203.2169879829. The cubic root of 38479901 is about 337.6069009328.

The spelling of 38479901 in words is "thirty-eight million, four hundred seventy-nine thousand, nine hundred one".