38966903 has 2 divisors, whose sum is σ = 38966904. Its totient is φ = 38966902.

The previous prime is 38966881. The next prime is 38966951. The reversal of 38966903 is 30966983.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 38966903 - 2⁸ = 38966647 is a prime.

It is a super-2 number, since 2×38966903² = 3036839058822818, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38966953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19483451 + 19483452.

It is an arithmetic number, because the mean of its divisors is an integer number (19483452).

Almost surely, 2^38966903 is an apocalyptic number.

38966903 is a deficient number, since it is larger than the sum of its proper divisors (1).

38966903 is an equidigital number, since it uses as much as digits as its factorization.

38966903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 209952, while the sum is 44.

The square root of 38966903 is about 6242.3475552071. The cubic root of 38966903 is about 339.0251864465.

The spelling of 38966903 in words is "thirty-eight million, nine hundred sixty-six thousand, nine hundred three".