38216903 has 2 divisors, whose sum is σ = 38216904. Its totient is φ = 38216902.

The previous prime is 38216897. The next prime is 38216917. The reversal of 38216903 is 30961283.

It is a weak prime.

It is an emirp because it is prime and its reverse (30961283) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38216903 is a prime.

It is a super-2 number, since 2×38216903² = 2921063349822818, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38216903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38216963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19108451 + 19108452.

It is an arithmetic number, because the mean of its divisors is an integer number (19108452).

Almost surely, 2^38216903 is an apocalyptic number.

38216903 is a deficient number, since it is larger than the sum of its proper divisors (1).

38216903 is an equidigital number, since it uses as much as digits as its factorization.

38216903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 38216903 is about 6181.9821254999. The cubic root of 38216903 is about 336.8359963586.

The spelling of 38216903 in words is "thirty-eight million, two hundred sixteen thousand, nine hundred three".