38642927 has 2 divisors, whose sum is σ = 38642928. Its totient is φ = 38642926.

The previous prime is 38642893. The next prime is 38642953. The reversal of 38642927 is 72924683.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38642927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38641927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19321463 + 19321464.

It is an arithmetic number, because the mean of its divisors is an integer number (19321464).

Almost surely, 2^38642927 is an apocalyptic number.

38642927 is a deficient number, since it is larger than the sum of its proper divisors (1).

38642927 is an equidigital number, since it uses as much as digits as its factorization.

38642927 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145152, while the sum is 41.

The square root of 38642927 is about 6216.3435394129. The cubic root of 38642927 is about 338.0830036687.

The spelling of 38642927 in words is "thirty-eight million, six hundred forty-two thousand, nine hundred twenty-seven".