33983641 has 2 divisors, whose sum is σ = 33983642. Its totient is φ = 33983640.

The previous prime is 33983611. The next prime is 33983681. The reversal of 33983641 is 14638933.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33977241 + 6400 = 5829^2 + 80^2 .

It is an emirp because it is prime and its reverse (14638933) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 33983641 - 2⁷ = 33983513 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 33983641.

It is not a weakly prime, because it can be changed into another prime (33983611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16991820 + 16991821.

It is an arithmetic number, because the mean of its divisors is an integer number (16991821).

Almost surely, 2^33983641 is an apocalyptic number.

It is an amenable number.

33983641 is a deficient number, since it is larger than the sum of its proper divisors (1).

33983641 is an equidigital number, since it uses as much as digits as its factorization.

33983641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46656, while the sum is 37.

The square root of 33983641 is about 5829.5489533925. The cubic root of 33983641 is about 323.9092141361.

The spelling of 33983641 in words is "thirty-three million, nine hundred eighty-three thousand, six hundred forty-one".