39959682 has 64 divisors (see below), whose sum is σ = 96436224. Its totient is φ = 10797120.

The previous prime is 39959663. The next prime is 39959687. The reversal of 39959682 is 28695993.

It is a super-2 number, since 2×39959682² = 3193552371082248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (39959687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60868 + ... + 61520.

It is an arithmetic number, because the mean of its divisors is an integer number (1506816).

Almost surely, 2^39959682 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 39959682, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48218112).

39959682 is an abundant number, since it is smaller than the sum of its proper divisors (56476542).

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

39959682 is a wasteful number, since it uses less digits than its factorization.

39959682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 743.

The product of its digits is 1049760, while the sum is 51.

The square root of 39959682 is about 6321.3670989747. The cubic root of 39959682 is about 341.8802460240.

The spelling of 39959682 in words is "thirty-nine million, nine hundred fifty-nine thousand, six hundred eighty-two".