38609863 has 4 divisors (see below), whose sum is σ = 38645368. Its totient is φ = 38574360.

The previous prime is 38609861. The next prime is 38609897. The reversal of 38609863 is 36890683.

38609863 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 38609863 - 2¹ = 38609861 is a prime.

It is a super-4 number, since 4×38609863⁴ (a number of 31 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38609861) 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, 16068 + ... + 18313.

It is an arithmetic number, because the mean of its divisors is an integer number (9661342).

Almost surely, 2^38609863 is an apocalyptic number.

38609863 is a deficient number, since it is larger than the sum of its proper divisors (35505).

38609863 is a wasteful number, since it uses less digits than its factorization.

38609863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35504.

The product of its (nonzero) digits is 186624, while the sum is 43.

The square root of 38609863 is about 6213.6835291154. The cubic root of 38609863 is about 337.9865516398.

The spelling of 38609863 in words is "thirty-eight million, six hundred nine thousand, eight hundred sixty-three".