38001982 has 4 divisors (see below), whose sum is σ = 57002976. Its totient is φ = 19000990.

The previous prime is 38001979. The next prime is 38001989. The reversal of 38001982 is 28910083.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 28910083 = 317 ⋅91199.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38001989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9500494 + ... + 9500497.

It is an arithmetic number, because the mean of its divisors is an integer number (14250744).

Almost surely, 2^38001982 is an apocalyptic number.

38001982 is a deficient number, since it is larger than the sum of its proper divisors (19000994).

38001982 is a wasteful number, since it uses less digits than its factorization.

38001982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19000993.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 38001982 is about 6164.5747623011. The cubic root of 38001982 is about 336.2033856969.

It can be divided in two parts, 38001 and 982, that added together give a palindrome (38983).

The spelling of 38001982 in words is "thirty-eight million, one thousand, nine hundred eighty-two".