38708393 has 2 divisors, whose sum is σ = 38708394. Its totient is φ = 38708392.

The previous prime is 38708381. The next prime is 38708399. The reversal of 38708393 is 39380783.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35366809 + 3341584 = 5947^2 + 1828^2 .

It is a cyclic number.

It is not a de Polignac number, because 38708393 - 2¹⁴ = 38692009 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38708393.

It is not a weakly prime, because it can be changed into another prime (38708399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19354196 + 19354197.

It is an arithmetic number, because the mean of its divisors is an integer number (19354197).

Almost surely, 2^38708393 is an apocalyptic number.

It is an amenable number.

38708393 is a deficient number, since it is larger than the sum of its proper divisors (1).

38708393 is an equidigital number, since it uses as much as digits as its factorization.

38708393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 38708393 is about 6221.6069467622. The cubic root of 38708393 is about 338.2738143958.

The spelling of 38708393 in words is "thirty-eight million, seven hundred eight thousand, three hundred ninety-three".