38982143 has 4 divisors (see below), whose sum is σ = 39092928. Its totient is φ = 38871360.

The previous prime is 38982137. The next prime is 38982149. The reversal of 38982143 is 34128983.

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

It is an interprime number because it is at equal distance from previous prime (38982137) and next prime (38982149).

It is a cyclic number.

It is not a de Polignac number, because 38982143 - 2²² = 34787839 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38982097 and 38982106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38982149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54863 + ... + 55568.

It is an arithmetic number, because the mean of its divisors is an integer number (9773232).

Almost surely, 2^38982143 is an apocalyptic number.

38982143 is a deficient number, since it is larger than the sum of its proper divisors (110785).

38982143 is a wasteful number, since it uses less digits than its factorization.

38982143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110784.

The product of its digits is 41472, while the sum is 38.

The square root of 38982143 is about 6243.5681304844. The cubic root of 38982143 is about 339.0693783976.

The spelling of 38982143 in words is "thirty-eight million, nine hundred eighty-two thousand, one hundred forty-three".