38090249 has 2 divisors, whose sum is σ = 38090250. Its totient is φ = 38090248.

The previous prime is 38090243. The next prime is 38090281. The reversal of 38090249 is 94209083.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26988025 + 11102224 = 5195^2 + 3332^2 .

It is a cyclic number.

It is not a de Polignac number, because 38090249 - 2⁴ = 38090233 is a prime.

It is not a weakly prime, because it can be changed into another prime (38090243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19045124 + 19045125.

It is an arithmetic number, because the mean of its divisors is an integer number (19045125).

Almost surely, 2^38090249 is an apocalyptic number.

It is an amenable number.

38090249 is a deficient number, since it is larger than the sum of its proper divisors (1).

38090249 is an equidigital number, since it uses as much as digits as its factorization.

38090249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 38090249 is about 6171.7298223432. The cubic root of 38090249 is about 336.4634836923.

The spelling of 38090249 in words is "thirty-eight million, ninety thousand, two hundred forty-nine".