38889763 has 6 divisors (see below), whose sum is σ = 42746732. Its totient is φ = 35354220.

The previous prime is 38889749. The next prime is 38889769. The reversal of 38889763 is 36798883.

It is a happy number.

It is not a de Polignac number, because 38889763 - 2²¹ = 36792611 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 38889763.

It is not an unprimeable number, because it can be changed into a prime (38889769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 160581 + ... + 160822.

Almost surely, 2^38889763 is an apocalyptic number.

38889763 is a deficient number, since it is larger than the sum of its proper divisors (3856969).

38889763 is a wasteful number, since it uses less digits than its factorization.

38889763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321425 (or 321414 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 52.

The square root of 38889763 is about 6236.1657290358. The cubic root of 38889763 is about 338.8013239955.

The spelling of 38889763 in words is "thirty-eight million, eight hundred eighty-nine thousand, seven hundred sixty-three".