33881085 has 160 divisors (see below), whose sum is σ = 79453440. Its totient is φ = 13436928.

The previous prime is 33881069. The next prime is 33881101. The reversal of 33881085 is 58018833.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (33881069) and next prime (33881101).

It is not a de Polignac number, because 33881085 - 2⁴ = 33881069 is a prime.

It is a super-2 number, since 2×33881085² = 2295855841554450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 915687 + ... + 915723.

It is an arithmetic number, because the mean of its divisors is an integer number (496584).

Almost surely, 2^33881085 is an apocalyptic number.

33881085 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

33881085 is an abundant number, since it is smaller than the sum of its proper divisors (45572355).

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

33881085 is a wasteful number, since it uses less digits than its factorization.

33881085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97 (or 88 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 33881085 is about 5820.7460861989. The cubic root of 33881085 is about 323.5830542102.

The spelling of 33881085 in words is "thirty-three million, eight hundred eighty-one thousand, eighty-five".