39946982 has 8 divisors (see below), whose sum is σ = 60679200. Its totient is φ = 19720584.

The previous prime is 39946981. The next prime is 39947051. The reversal of 39946982 is 28964993.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×39946982² = 3191522741816648, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 39946982.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39946981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126257 + ... + 126572.

It is an arithmetic number, because the mean of its divisors is an integer number (7584900).

Almost surely, 2^39946982 is an apocalyptic number.

39946982 is a deficient number, since it is larger than the sum of its proper divisors (20732218).

39946982 is a wasteful number, since it uses less digits than its factorization.

39946982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252910.

The product of its digits is 839808, while the sum is 50.

The square root of 39946982 is about 6320.3624896045. The cubic root of 39946982 is about 341.8440233534.

The spelling of 39946982 in words is "thirty-nine million, nine hundred forty-six thousand, nine hundred eighty-two".