38956747 has 2 divisors, whose sum is σ = 38956748. Its totient is φ = 38956746.

The previous prime is 38956721. The next prime is 38956769. The reversal of 38956747 is 74765983.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 38956747 - 2¹⁵ = 38923979 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38956747.

It is not a weakly prime, because it can be changed into another prime (38956787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19478373 + 19478374.

It is an arithmetic number, because the mean of its divisors is an integer number (19478374).

Almost surely, 2^38956747 is an apocalyptic number.

38956747 is a deficient number, since it is larger than the sum of its proper divisors (1).

38956747 is an equidigital number, since it uses as much as digits as its factorization.

38956747 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1270080, while the sum is 49.

The square root of 38956747 is about 6241.5340261830. The cubic root of 38956747 is about 338.9957303465.

The spelling of 38956747 in words is "thirty-eight million, nine hundred fifty-six thousand, seven hundred forty-seven".