208349982 has 40 divisors (see below), whose sum is σ = 468644616. Its totient is φ = 69184368.

The previous prime is 208349969. The next prime is 208349983. The reversal of 208349982 is 289943802.

208349982 is a `hidden beast` number, since 2 + 0 + 83 + 499 + 82 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208349983) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 42553 + ... + 47195.

Almost surely, 2^208349982 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 208349982, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (234322308).

208349982 is an abundant number, since it is smaller than the sum of its proper divisors (260294634).

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

208349982 is a wasteful number, since it uses less digits than its factorization.

208349982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4934 (or 4925 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 208349982 is about 14434.3334449499. Note that the first 3 decimals coincide. The cubic root of 208349982 is about 592.8313416693.

The spelling of 208349982 in words is "two hundred eight million, three hundred forty-nine thousand, nine hundred eighty-two".