38909363 has 2 divisors, whose sum is σ = 38909364. Its totient is φ = 38909362.

The previous prime is 38909333. The next prime is 38909407. The reversal of 38909363 is 36390983.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 38909363 - 2¹² = 38905267 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38909363.

It is not a weakly prime, because it can be changed into another prime (38909303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19454681 + 19454682.

It is an arithmetic number, because the mean of its divisors is an integer number (19454682).

Almost surely, 2^38909363 is an apocalyptic number.

38909363 is a deficient number, since it is larger than the sum of its proper divisors (1).

38909363 is an equidigital number, since it uses as much as digits as its factorization.

38909363 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 104976, while the sum is 41.

The square root of 38909363 is about 6237.7370095252. The cubic root of 38909363 is about 338.8582317794.

The spelling of 38909363 in words is "thirty-eight million, nine hundred nine thousand, three hundred sixty-three".