38407249 has 2 divisors, whose sum is σ = 38407250. Its totient is φ = 38407248.

The previous prime is 38407241. The next prime is 38407261. The reversal of 38407249 is 94270483.

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., 28547649 + 9859600 = 5343^2 + 3140^2 .

It is a cyclic number.

It is not a de Polignac number, because 38407249 - 2³ = 38407241 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (38407241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19203624 + 19203625.

It is an arithmetic number, because the mean of its divisors is an integer number (19203625).

Almost surely, 2^38407249 is an apocalyptic number.

It is an amenable number.

38407249 is a deficient number, since it is larger than the sum of its proper divisors (1).

38407249 is an equidigital number, since it uses as much as digits as its factorization.

38407249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 38407249 is about 6197.3582275031. The cubic root of 38407249 is about 337.3942941023.

The spelling of 38407249 in words is "thirty-eight million, four hundred seven thousand, two hundred forty-nine".