33824161 has 24 divisors (see below), whose sum is σ = 42353280. Its totient is φ = 26847072.

The previous prime is 33824149. The next prime is 33824171. The reversal of 33824161 is 16142833.

It is not a de Polignac number, because 33824161 - 2¹⁹ = 33299873 is a prime.

It is a super-2 number, since 2×33824161² = 2288147734707842, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33824171) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43371 + ... + 44143.

It is an arithmetic number, because the mean of its divisors is an integer number (1764720).

Almost surely, 2^33824161 is an apocalyptic number.

It is an amenable number.

33824161 is a deficient number, since it is larger than the sum of its proper divisors (8529119).

33824161 is a wasteful number, since it uses less digits than its factorization.

33824161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 853 (or 846 counting only the distinct ones).

The product of its digits is 3456, while the sum is 28.

The square root of 33824161 is about 5815.8542794675. The cubic root of 33824161 is about 323.4017340911.

Adding to 33824161 its reverse (16142833), we get a palindrome (49966994).

The spelling of 33824161 in words is "thirty-three million, eight hundred twenty-four thousand, one hundred sixty-one".