38906263 has 4 divisors (see below), whose sum is σ = 42443208. Its totient is φ = 35369320.

The previous prime is 38906249. The next prime is 38906267. The reversal of 38906263 is 36260983.

It is a happy number.

38906263 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 38906263 - 2⁹ = 38905751 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38906267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1768456 + ... + 1768477.

It is an arithmetic number, because the mean of its divisors is an integer number (10610802).

Almost surely, 2^38906263 is an apocalyptic number.

38906263 is a deficient number, since it is larger than the sum of its proper divisors (3536945).

38906263 is a wasteful number, since it uses less digits than its factorization.

38906263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3536944.

The product of its (nonzero) digits is 46656, while the sum is 37.

The square root of 38906263 is about 6237.4885170235. The cubic root of 38906263 is about 338.8492323309.

It can be divided in two parts, 3890 and 6263, that added together give a triangular number (10153 = T₁₄₂).

The spelling of 38906263 in words is "thirty-eight million, nine hundred six thousand, two hundred sixty-three".