33424401 has 16 divisors (see below), whose sum is σ = 47685440. Its totient is φ = 20761920.

The previous prime is 33424393. The next prime is 33424403. The reversal of 33424401 is 10442433.

It is not a de Polignac number, because 33424401 - 2³ = 33424393 is a prime.

It is a super-2 number, since 2×33424401² = 2234381164417602, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33424403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1330 + ... + 8283.

It is an arithmetic number, because the mean of its divisors is an integer number (2980340).

Almost surely, 2^33424401 is an apocalyptic number.

It is an amenable number.

33424401 is a deficient number, since it is larger than the sum of its proper divisors (14261039).

33424401 is a wasteful number, since it uses less digits than its factorization.

33424401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9696.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 33424401 is about 5781.3840038524. The cubic root of 33424401 is about 322.1226112540.

Adding to 33424401 its reverse (10442433), we get a palindrome (43866834).

The spelling of 33424401 in words is "thirty-three million, four hundred twenty-four thousand, four hundred one".