38989143 has 12 divisors (see below), whose sum is σ = 59630688. Its totient is φ = 24463680.

The previous prime is 38989141. The next prime is 38989189. The reversal of 38989143 is 34198983.

It is not a de Polignac number, because 38989143 - 2¹ = 38989141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38989141) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 127263 + ... + 127568.

It is an arithmetic number, because the mean of its divisors is an integer number (4969224).

Almost surely, 2^38989143 is an apocalyptic number.

38989143 is a deficient number, since it is larger than the sum of its proper divisors (20641545).

38989143 is a wasteful number, since it uses less digits than its factorization.

38989143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254854 (or 254851 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 38989143 is about 6244.1286822102. The cubic root of 38989143 is about 339.0896726777.

It can be divided in two parts, 3898 and 9143, that added together give a triangular number (13041 = T₁₆₁).

The spelling of 38989143 in words is "thirty-eight million, nine hundred eighty-nine thousand, one hundred forty-three".