38934521 has 2 divisors, whose sum is σ = 38934522. Its totient is φ = 38934520.

The previous prime is 38934503. The next prime is 38934527. The reversal of 38934521 is 12543983.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22934521 + 16000000 = 4789^2 + 4000^2 .

It is a cyclic number.

It is not a de Polignac number, because 38934521 - 2¹⁰ = 38933497 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (38934527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19467260 + 19467261.

It is an arithmetic number, because the mean of its divisors is an integer number (19467261).

Almost surely, 2^38934521 is an apocalyptic number.

It is an amenable number.

38934521 is a deficient number, since it is larger than the sum of its proper divisors (1).

38934521 is an equidigital number, since it uses as much as digits as its factorization.

38934521 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25920, while the sum is 35.

The square root of 38934521 is about 6239.7532803790. The cubic root of 38934521 is about 338.9312489834.

The spelling of 38934521 in words is "thirty-eight million, nine hundred thirty-four thousand, five hundred twenty-one".