33881942 has 8 divisors (see below), whose sum is σ = 50872536. Its totient is φ = 16924432.

The previous prime is 33881941. The next prime is 33881957. The reversal of 33881942 is 24918833.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×33881942² = 2295971987382728, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33881896 and 33881905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33881941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5528 + ... + 9915.

It is an arithmetic number, because the mean of its divisors is an integer number (6359067).

Almost surely, 2^33881942 is an apocalyptic number.

33881942 is a deficient number, since it is larger than the sum of its proper divisors (16990594).

33881942 is a wasteful number, since it uses less digits than its factorization.

33881942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16542.

The product of its digits is 41472, while the sum is 38.

The square root of 33881942 is about 5820.8197017259. The cubic root of 33881942 is about 323.5857824615.

The spelling of 33881942 in words is "thirty-three million, eight hundred eighty-one thousand, nine hundred forty-two".