38927849 has 2 divisors, whose sum is σ = 38927850. Its totient is φ = 38927848.

The previous prime is 38927843. The next prime is 38927869. The reversal of 38927849 is 94872983.

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., 27825625 + 11102224 = 5275^2 + 3332^2 .

It is a cyclic number.

It is not a de Polignac number, because 38927849 - 2⁸ = 38927593 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38927797 and 38927806.

It is not a weakly prime, because it can be changed into another prime (38927843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19463924 + 19463925.

It is an arithmetic number, because the mean of its divisors is an integer number (19463925).

Almost surely, 2^38927849 is an apocalyptic number.

It is an amenable number.

38927849 is a deficient number, since it is larger than the sum of its proper divisors (1).

38927849 is an equidigital number, since it uses as much as digits as its factorization.

38927849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 870912, while the sum is 50.

The square root of 38927849 is about 6239.2186209493. The cubic root of 38927849 is about 338.9118876008.

The spelling of 38927849 in words is "thirty-eight million, nine hundred twenty-seven thousand, eight hundred forty-nine".