38889036 has 18 divisors (see below), whose sum is σ = 98302932. Its totient is φ = 12963000.

The previous prime is 38889031. The next prime is 38889041. The reversal of 38889036 is 63098883.

It is an interprime number because it is at equal distance from previous prime (38889031) and next prime (38889041).

It is a tau number, because it is divible by the number of its divisors (18).

It is a junction number, because it is equal to n+sod(n) for n = 38888982 and 38889000.

It is not an unprimeable number, because it can be changed into a prime (38889031) 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, 540090 + ... + 540161.

It is an arithmetic number, because the mean of its divisors is an integer number (5461274).

Almost surely, 2^38889036 is an apocalyptic number.

38889036 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

38889036 is an abundant number, since it is smaller than the sum of its proper divisors (59413896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38889036 is a wasteful number, since it uses less digits than its factorization.

38889036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1080261 (or 1080256 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 38889036 is about 6236.1074397416. The cubic root of 38889036 is about 338.7992128135.

The spelling of 38889036 in words is "thirty-eight million, eight hundred eighty-nine thousand, thirty-six".