38942707 has 2 divisors, whose sum is σ = 38942708. Its totient is φ = 38942706.

The previous prime is 38942689. The next prime is 38942711. The reversal of 38942707 is 70724983.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38942707 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38942707.

It is not a weakly prime, because it can be changed into another prime (38942797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19471353 + 19471354.

It is an arithmetic number, because the mean of its divisors is an integer number (19471354).

Almost surely, 2^38942707 is an apocalyptic number.

38942707 is a deficient number, since it is larger than the sum of its proper divisors (1).

38942707 is an equidigital number, since it uses as much as digits as its factorization.

38942707 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84672, while the sum is 40.

The square root of 38942707 is about 6240.4092013265. The cubic root of 38942707 is about 338.9550007998.

The spelling of 38942707 in words is "thirty-eight million, nine hundred forty-two thousand, seven hundred seven".