38696249 has 2 divisors, whose sum is σ = 38696250. Its totient is φ = 38696248.

The previous prime is 38696243. The next prime is 38696263. The reversal of 38696249 is 94269683.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28729600 + 9966649 = 5360^2 + 3157^2 .

It is a cyclic number.

It is not a de Polignac number, because 38696249 - 2²⁴ = 21919033 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (38696243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19348124 + 19348125.

It is an arithmetic number, because the mean of its divisors is an integer number (19348125).

Almost surely, 2^38696249 is an apocalyptic number.

It is an amenable number.

38696249 is a deficient number, since it is larger than the sum of its proper divisors (1).

38696249 is an equidigital number, since it uses as much as digits as its factorization.

38696249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 559872, while the sum is 47.

The square root of 38696249 is about 6220.6309165550. The cubic root of 38696249 is about 338.2384351016.

The spelling of 38696249 in words is "thirty-eight million, six hundred ninety-six thousand, two hundred forty-nine".