38923847 has 2 divisors, whose sum is σ = 38923848. Its totient is φ = 38923846.

The previous prime is 38923831. The next prime is 38923873. The reversal of 38923847 is 74832983.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 38923847 - 2⁴ = 38923831 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38923798 and 38923807.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38923447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19461923 + 19461924.

It is an arithmetic number, because the mean of its divisors is an integer number (19461924).

Almost surely, 2^38923847 is an apocalyptic number.

38923847 is a deficient number, since it is larger than the sum of its proper divisors (1).

38923847 is an equidigital number, since it uses as much as digits as its factorization.

38923847 is an evil number, because the sum of its binary digits is even.

The product of its digits is 290304, while the sum is 44.

The square root of 38923847 is about 6238.8978994691. The cubic root of 38923847 is about 338.9002731920.

The spelling of 38923847 in words is "thirty-eight million, nine hundred twenty-three thousand, eight hundred forty-seven".