38320147 has 2 divisors, whose sum is σ = 38320148. Its totient is φ = 38320146.

The previous prime is 38320127. The next prime is 38320151. The reversal of 38320147 is 74102383.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38320147 is a prime.

It is a super-2 number, since 2×38320147² = 2936867332203218, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (38320127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19160073 + 19160074.

It is an arithmetic number, because the mean of its divisors is an integer number (19160074).

Almost surely, 2^38320147 is an apocalyptic number.

38320147 is a deficient number, since it is larger than the sum of its proper divisors (1).

38320147 is an equidigital number, since it uses as much as digits as its factorization.

38320147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 38320147 is about 6190.3268895915. The cubic root of 38320147 is about 337.1390474820.

The spelling of 38320147 in words is "thirty-eight million, three hundred twenty thousand, one hundred forty-seven".