38930387 has 2 divisors, whose sum is σ = 38930388. Its totient is φ = 38930386.

The previous prime is 38930377. The next prime is 38930393. The reversal of 38930387 is 78303983.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 38930387 - 2⁴ = 38930371 is a prime.

It is not a weakly prime, because it can be changed into another prime (38930347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19465193 + 19465194.

It is an arithmetic number, because the mean of its divisors is an integer number (19465194).

Almost surely, 2^38930387 is an apocalyptic number.

38930387 is a deficient number, since it is larger than the sum of its proper divisors (1).

38930387 is an equidigital number, since it uses as much as digits as its factorization.

38930387 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 38930387 is about 6239.4220084876. The cubic root of 38930387 is about 338.9192528478.

The spelling of 38930387 in words is "thirty-eight million, nine hundred thirty thousand, three hundred eighty-seven".