38348437 has 2 divisors, whose sum is σ = 38348438. Its totient is φ = 38348436.

The previous prime is 38348419. The next prime is 38348467. The reversal of 38348437 is 73484383.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30019441 + 8328996 = 5479^2 + 2886^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38348437 is a prime.

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 38348437.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38348467) 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, 19174218 + 19174219.

It is an arithmetic number, because the mean of its divisors is an integer number (19174219).

Almost surely, 2^38348437 is an apocalyptic number.

It is an amenable number.

38348437 is a deficient number, since it is larger than the sum of its proper divisors (1).

38348437 is an equidigital number, since it uses as much as digits as its factorization.

38348437 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 193536, while the sum is 40.

The square root of 38348437 is about 6192.6114846646. The cubic root of 38348437 is about 337.2219918188.

The spelling of 38348437 in words is "thirty-eight million, three hundred forty-eight thousand, four hundred thirty-seven".