38623147 has 2 divisors, whose sum is σ = 38623148. Its totient is φ = 38623146.

The previous prime is 38623139. The next prime is 38623163. The reversal of 38623147 is 74132683.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (74132683) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38623147 - 2³ = 38623139 is a prime.

It is not a weakly prime, because it can be changed into another prime (38623547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19311573 + 19311574.

It is an arithmetic number, because the mean of its divisors is an integer number (19311574).

Almost surely, 2^38623147 is an apocalyptic number.

38623147 is a deficient number, since it is larger than the sum of its proper divisors (1).

38623147 is an equidigital number, since it uses as much as digits as its factorization.

38623147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 34.

The square root of 38623147 is about 6214.7523683571. The cubic root of 38623147 is about 338.0253094267.

The spelling of 38623147 in words is "thirty-eight million, six hundred twenty-three thousand, one hundred forty-seven".