33043401 has 12 divisors (see below), whose sum is σ = 47974212. Its totient is φ = 21915936.

The previous prime is 33043391. The next prime is 33043403. The reversal of 33043401 is 10434033.

It can be written as a sum of positive squares in 2 ways, for example, as 15023376 + 18020025 = 3876^2 + 4245^2 .

It is not a de Polignac number, because 33043401 - 2¹³ = 33035209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (33043403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7546 + ... + 11091.

It is an arithmetic number, because the mean of its divisors is an integer number (3997851).

Almost surely, 2^33043401 is an apocalyptic number.

It is an amenable number.

33043401 is a deficient number, since it is larger than the sum of its proper divisors (14930811).

33043401 is a wasteful number, since it uses less digits than its factorization.

33043401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18840 (or 18837 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 33043401 is about 5748.3389774786. The cubic root of 33043401 is about 320.8939877603.

Adding to 33043401 its reverse (10434033), we get a palindrome (43477434).

The spelling of 33043401 in words is "thirty-three million, forty-three thousand, four hundred one".