33886866 has 48 divisors (see below), whose sum is σ = 76631616. Its totient is φ = 9966528.

The previous prime is 33886847. The next prime is 33886873. The reversal of 33886866 is 66868833.

It is a super-2 number, since 2×33886866² = 2296639374603912, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22596 + ... + 24048.

It is an arithmetic number, because the mean of its divisors is an integer number (1596492).

Almost surely, 2^33886866 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33886866, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38315808).

33886866 is an abundant number, since it is smaller than the sum of its proper divisors (42744750).

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

33886866 is a wasteful number, since it uses less digits than its factorization.

33886866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1507 (or 1494 counting only the distinct ones).

The product of its digits is 995328, while the sum is 48.

The square root of 33886866 is about 5821.2426508435. The cubic root of 33886866 is about 323.6014570767.

The spelling of 33886866 in words is "thirty-three million, eight hundred eighty-six thousand, eight hundred sixty-six".