33981941 has 12 divisors (see below), whose sum is σ = 40181580. Its totient is φ = 28647360.

The previous prime is 33981919. The next prime is 33981953. The reversal of 33981941 is 14918933.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 8439025 + 25542916 = 2905^2 + 5054^2 .

It is not a de Polignac number, because 33981941 - 2⁶ = 33981877 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 33981895 and 33981904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33981901) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2696 + ... + 8673.

It is an arithmetic number, because the mean of its divisors is an integer number (3348465).

Almost surely, 2^33981941 is an apocalyptic number.

It is an amenable number.

33981941 is a deficient number, since it is larger than the sum of its proper divisors (6199639).

33981941 is a wasteful number, since it uses less digits than its factorization.

33981941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11444 (or 11437 counting only the distinct ones).

The product of its digits is 23328, while the sum is 38.

The square root of 33981941 is about 5829.4031426897. The cubic root of 33981941 is about 323.9038129604.

The spelling of 33981941 in words is "thirty-three million, nine hundred eighty-one thousand, nine hundred forty-one".