33949849 has 2 divisors, whose sum is σ = 33949850. Its totient is φ = 33949848.

The previous prime is 33949841. The next prime is 33949859. The reversal of 33949849 is 94894933.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17909824 + 16040025 = 4232^2 + 4005^2 .

It is a cyclic number.

It is not a de Polignac number, because 33949849 - 2³ = 33949841 is a prime.

It is not a weakly prime, because it can be changed into another prime (33949841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16974924 + 16974925.

It is an arithmetic number, because the mean of its divisors is an integer number (16974925).

Almost surely, 2^33949849 is an apocalyptic number.

It is an amenable number.

33949849 is a deficient number, since it is larger than the sum of its proper divisors (1).

33949849 is an equidigital number, since it uses as much as digits as its factorization.

33949849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 839808, while the sum is 49.

The square root of 33949849 is about 5826.6498950941. The cubic root of 33949849 is about 323.8018176576.

The spelling of 33949849 in words is "thirty-three million, nine hundred forty-nine thousand, eight hundred forty-nine".