33981741 has 16 divisors (see below), whose sum is σ = 52533120. Its totient is φ = 21669120.

The previous prime is 33981733. The next prime is 33981749. The reversal of 33981741 is 14718933.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (33981733) and next prime (33981749).

It is not a de Polignac number, because 33981741 - 2³ = 33981733 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 33981696 and 33981705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33981749) 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, 26740 + ... + 27981.

It is an arithmetic number, because the mean of its divisors is an integer number (3283320).

Almost surely, 2^33981741 is an apocalyptic number.

It is an amenable number.

33981741 is a deficient number, since it is larger than the sum of its proper divisors (18551379).

33981741 is a wasteful number, since it uses less digits than its factorization.

33981741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54753 (or 54747 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 33981741 is about 5829.3859882495. The cubic root of 33981741 is about 323.9031775161.

The spelling of 33981741 in words is "thirty-three million, nine hundred eighty-one thousand, seven hundred forty-one".