33107982 has 32 divisors (see below), whose sum is σ = 67612320. Its totient is φ = 10805760.

The previous prime is 33107981. The next prime is 33107989. The reversal of 33107982 is 28970133.

It is a super-2 number, since 2×33107982² = 2192276944224648, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33107981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117682 + ... + 117962.

It is an arithmetic number, because the mean of its divisors is an integer number (2112885).

Almost surely, 2^33107982 is an apocalyptic number.

33107982 is an abundant number, since it is smaller than the sum of its proper divisors (34504338).

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

33107982 is a wasteful number, since it uses less digits than its factorization.

33107982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 33107982 is about 5753.9535973103. The cubic root of 33107982 is about 321.1029066131.

The spelling of 33107982 in words is "thirty-three million, one hundred seven thousand, nine hundred eighty-two".