33956982 has 40 divisors (see below), whose sum is σ = 76473936. Its totient is φ = 11261808.

The previous prime is 33956981. The next prime is 33957029. The reversal of 33956982 is 28965933.

33956982 is a `hidden beast` number, since 3 + 3 + 9 + 569 + 82 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33956981) 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, 42208 + ... + 43004.

Almost surely, 2^33956982 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33956982, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38236968).

33956982 is an abundant number, since it is smaller than the sum of its proper divisors (42516954).

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

33956982 is a wasteful number, since it uses less digits than its factorization.

33956982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1074 (or 1065 counting only the distinct ones).

The product of its digits is 349920, while the sum is 45.

The square root of 33956982 is about 5827.2619642504. The cubic root of 33956982 is about 323.8244934249.

The spelling of 33956982 in words is "thirty-three million, nine hundred fifty-six thousand, nine hundred eighty-two".