39282138 has 64 divisors (see below), whose sum is σ = 105649920. Its totient is φ = 10561536.

The previous prime is 39282127. The next prime is 39282143. The reversal of 39282138 is 83128293.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3370 + ... + 9482.

It is an arithmetic number, because the mean of its divisors is an integer number (1650780).

Almost surely, 2^39282138 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 39282138, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52824960).

39282138 is an abundant number, since it is smaller than the sum of its proper divisors (66367782).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

39282138 is a wasteful number, since it uses less digits than its factorization.

39282138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6148 (or 6142 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 39282138 is about 6267.5464098800. The cubic root of 39282138 is about 339.9369490926.

The spelling of 39282138 in words is "thirty-nine million, two hundred eighty-two thousand, one hundred thirty-eight".