38231863 has 2 divisors, whose sum is σ = 38231864. Its totient is φ = 38231862.

The previous prime is 38231801. The next prime is 38231873. The reversal of 38231863 is 36813283.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 38231863 - 2¹³ = 38223671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38231873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19115931 + 19115932.

It is an arithmetic number, because the mean of its divisors is an integer number (19115932).

Almost surely, 2^38231863 is an apocalyptic number.

38231863 is a deficient number, since it is larger than the sum of its proper divisors (1).

38231863 is an equidigital number, since it uses as much as digits as its factorization.

38231863 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20736, while the sum is 34.

The square root of 38231863 is about 6183.1919750239. The cubic root of 38231863 is about 336.8799420889.

The spelling of 38231863 in words is "thirty-eight million, two hundred thirty-one thousand, eight hundred sixty-three".