38293933 has 2 divisors, whose sum is σ = 38293934. Its totient is φ = 38293932.

The previous prime is 38293889. The next prime is 38293939. The reversal of 38293933 is 33939283.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37982569 + 311364 = 6163^2 + 558^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38293933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38293939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19146966 + 19146967.

It is an arithmetic number, because the mean of its divisors is an integer number (19146967).

Almost surely, 2^38293933 is an apocalyptic number.

It is an amenable number.

38293933 is a deficient number, since it is larger than the sum of its proper divisors (1).

38293933 is an equidigital number, since it uses as much as digits as its factorization.

38293933 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 104976, while the sum is 40.

The square root of 38293933 is about 6188.2091916806. The cubic root of 38293933 is about 337.0621533876.

The spelling of 38293933 in words is "thirty-eight million, two hundred ninety-three thousand, nine hundred thirty-three".