38662933 has 2 divisors, whose sum is σ = 38662934. Its totient is φ = 38662932.

The previous prime is 38662909. The next prime is 38662937. The reversal of 38662933 is 33926683.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21548164 + 17114769 = 4642^2 + 4137^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38662933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38662937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19331466 + 19331467.

It is an arithmetic number, because the mean of its divisors is an integer number (19331467).

Almost surely, 2^38662933 is an apocalyptic number.

It is an amenable number.

38662933 is a deficient number, since it is larger than the sum of its proper divisors (1).

38662933 is an equidigital number, since it uses as much as digits as its factorization.

38662933 is an evil number, because the sum of its binary digits is even.

The product of its digits is 139968, while the sum is 40.

The square root of 38662933 is about 6217.9524764990. The cubic root of 38662933 is about 338.1413370836.

The spelling of 38662933 in words is "thirty-eight million, six hundred sixty-two thousand, nine hundred thirty-three".