38988982 has 4 divisors (see below), whose sum is σ = 58483476. Its totient is φ = 19494490.

The previous prime is 38988977. The next prime is 38989033. The reversal of 38988982 is 28988983.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 28988983 = 5101 ⋅5683.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9747244 + ... + 9747247.

It is an arithmetic number, because the mean of its divisors is an integer number (14620869).

Almost surely, 2^38988982 is an apocalyptic number.

38988982 is a deficient number, since it is larger than the sum of its proper divisors (19494494).

38988982 is a wasteful number, since it uses less digits than its factorization.

38988982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19494493.

The product of its digits is 1990656, while the sum is 55.

The square root of 38988982 is about 6244.1157900859. The cubic root of 38988982 is about 339.0892059366.

Subtracting from 38988982 its reverse (28988983), we obtain a palindrome (9999999).

It can be divided in two parts, 3898 and 8982, that added together give a triangular number (12880 = T₁₆₀).

The spelling of 38988982 in words is "thirty-eight million, nine hundred eighty-eight thousand, nine hundred eighty-two".