39982158 has 12 divisors (see below), whose sum is σ = 86628048. Its totient is φ = 13327380.

The previous prime is 39982123. The next prime is 39982171. The reversal of 39982158 is 85128993.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1110598 + ... + 1110633.

It is an arithmetic number, because the mean of its divisors is an integer number (7219004).

Almost surely, 2^39982158 is an apocalyptic number.

39982158 is an abundant number, since it is smaller than the sum of its proper divisors (46645890).

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

39982158 is a wasteful number, since it uses less digits than its factorization.

39982158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2221239 (or 2221236 counting only the distinct ones).

The product of its digits is 155520, while the sum is 45.

The square root of 39982158 is about 6323.1446290592. The cubic root of 39982158 is about 341.9443327883.

The spelling of 39982158 in words is "thirty-nine million, nine hundred eighty-two thousand, one hundred fifty-eight".