38263657 has 2 divisors, whose sum is σ = 38263658. Its totient is φ = 38263656.

The previous prime is 38263649. The next prime is 38263669. The reversal of 38263657 is 75636283.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32216976 + 6046681 = 5676^2 + 2459^2 .

It is a cyclic number.

It is not a de Polignac number, because 38263657 - 2³ = 38263649 is a prime.

It is not a weakly prime, because it can be changed into another prime (38263627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19131828 + 19131829.

It is an arithmetic number, because the mean of its divisors is an integer number (19131829).

Almost surely, 2^38263657 is an apocalyptic number.

It is an amenable number.

38263657 is a deficient number, since it is larger than the sum of its proper divisors (1).

38263657 is an equidigital number, since it uses as much as digits as its factorization.

38263657 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 181440, while the sum is 40.

The square root of 38263657 is about 6185.7624429006. The cubic root of 38263657 is about 336.9733004585.

The spelling of 38263657 in words is "thirty-eight million, two hundred sixty-three thousand, six hundred fifty-seven".