38693533 has 2 divisors, whose sum is σ = 38693534. Its totient is φ = 38693532.

The previous prime is 38693503. The next prime is 38693537. The reversal of 38693533 is 33539683.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29615364 + 9078169 = 5442^2 + 3013^2 .

It is a cyclic number.

It is not a de Polignac number, because 38693533 - 2¹³ = 38685341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38693537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19346766 + 19346767.

It is an arithmetic number, because the mean of its divisors is an integer number (19346767).

Almost surely, 2^38693533 is an apocalyptic number.

It is an amenable number.

38693533 is a deficient number, since it is larger than the sum of its proper divisors (1).

38693533 is an equidigital number, since it uses as much as digits as its factorization.

38693533 is an evil number, because the sum of its binary digits is even.

The product of its digits is 174960, while the sum is 40.

The square root of 38693533 is about 6220.4126068935. The cubic root of 38693533 is about 338.2305215259.

The spelling of 38693533 in words is "thirty-eight million, six hundred ninety-three thousand, five hundred thirty-three".