39946682 has 4 divisors (see below), whose sum is σ = 59920026. Its totient is φ = 19973340.

The previous prime is 39946657. The next prime is 39946691. The reversal of 39946682 is 28664993.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 28664993 = 7 ⋅4094999.

It can be written as a sum of positive squares in only one way, i.e., 33651601 + 6295081 = 5801^2 + 2509^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9986669 + ... + 9986672.

Almost surely, 2^39946682 is an apocalyptic number.

39946682 is a deficient number, since it is larger than the sum of its proper divisors (19973344).

39946682 is a wasteful number, since it uses less digits than its factorization.

39946682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19973343.

The product of its digits is 559872, while the sum is 47.

The square root of 39946682 is about 6320.3387567440. The cubic root of 39946682 is about 341.8431676070.

The spelling of 39946682 in words is "thirty-nine million, nine hundred forty-six thousand, six hundred eighty-two".