38463917 has 2 divisors, whose sum is σ = 38463918. Its totient is φ = 38463916.

The previous prime is 38463881. The next prime is 38463937. The reversal of 38463917 is 71936483.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28185481 + 10278436 = 5309^2 + 3206^2 .

It is a cyclic number.

It is not a de Polignac number, because 38463917 - 2²⁰ = 37415341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38463937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19231958 + 19231959.

It is an arithmetic number, because the mean of its divisors is an integer number (19231959).

Almost surely, 2^38463917 is an apocalyptic number.

It is an amenable number.

38463917 is a deficient number, since it is larger than the sum of its proper divisors (1).

38463917 is an equidigital number, since it uses as much as digits as its factorization.

38463917 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108864, while the sum is 41.

The square root of 38463917 is about 6201.9284903972. The cubic root of 38463917 is about 337.5601487676.

The spelling of 38463917 in words is "thirty-eight million, four hundred sixty-three thousand, nine hundred seventeen".