39882638 has 4 divisors (see below), whose sum is σ = 59823960. Its totient is φ = 19941318.

The previous prime is 39882631. The next prime is 39882671. The reversal of 39882638 is 83628893.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83628893 = 103 ⋅811931.

It is a junction number, because it is equal to n+sod(n) for n = 39882592 and 39882601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39882631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9970658 + ... + 9970661.

It is an arithmetic number, because the mean of its divisors is an integer number (14955990).

Almost surely, 2^39882638 is an apocalyptic number.

39882638 is a deficient number, since it is larger than the sum of its proper divisors (19941322).

39882638 is a wasteful number, since it uses less digits than its factorization.

39882638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19941321.

The product of its digits is 497664, while the sum is 47.

The square root of 39882638 is about 6315.2702238305. The cubic root of 39882638 is about 341.6603846819.

The spelling of 39882638 in words is "thirty-nine million, eight hundred eighty-two thousand, six hundred thirty-eight".