33839149 has 2 divisors, whose sum is σ = 33839150. Its totient is φ = 33839148.

The previous prime is 33839119. The next prime is 33839153. The reversal of 33839149 is 94193833.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26193924 + 7645225 = 5118^2 + 2765^2 .

It is a cyclic number.

It is not a de Polignac number, because 33839149 - 2⁷ = 33839021 is a prime.

It is a super-2 number, since 2×33839149² = 2290176010088402, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33839119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16919574 + 16919575.

It is an arithmetic number, because the mean of its divisors is an integer number (16919575).

Almost surely, 2^33839149 is an apocalyptic number.

It is an amenable number.

33839149 is a deficient number, since it is larger than the sum of its proper divisors (1).

33839149 is an equidigital number, since it uses as much as digits as its factorization.

33839149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69984, while the sum is 40.

The square root of 33839149 is about 5817.1426834830. The cubic root of 33839149 is about 323.4494951124.

The spelling of 33839149 in words is "thirty-three million, eight hundred thirty-nine thousand, one hundred forty-nine".