33894149 has 2 divisors, whose sum is σ = 33894150. Its totient is φ = 33894148.

The previous prime is 33894139. The next prime is 33894197. The reversal of 33894149 is 94149833.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18645124 + 15249025 = 4318^2 + 3905^2 .

It is a cyclic number.

It is not a de Polignac number, because 33894149 - 2²⁰ = 32845573 is a prime.

It is a super-2 number, since 2×33894149² = 2297626672868402, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33894139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16947074 + 16947075.

It is an arithmetic number, because the mean of its divisors is an integer number (16947075).

Almost surely, 2^33894149 is an apocalyptic number.

It is an amenable number.

33894149 is a deficient number, since it is larger than the sum of its proper divisors (1).

33894149 is an equidigital number, since it uses as much as digits as its factorization.

33894149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 93312, while the sum is 41.

The square root of 33894149 is about 5821.8681709568. The cubic root of 33894149 is about 323.6246383351.

It can be divided in two parts, 33894 and 149, that added together give a palindrome (34043).

The spelling of 33894149 in words is "thirty-three million, eight hundred ninety-four thousand, one hundred forty-nine".