33628241 has 4 divisors (see below), whose sum is σ = 34448484. Its totient is φ = 32808000.

The previous prime is 33628237. The next prime is 33628247. The reversal of 33628241 is 14282633.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16777216 + 16851025 = 4096^2 + 4105^2 .

It is a cyclic number.

It is not a de Polignac number, because 33628241 - 2² = 33628237 is a prime.

It is a super-2 number, since 2×33628241² = 2261717185508162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33628247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 410060 + ... + 410141.

It is an arithmetic number, because the mean of its divisors is an integer number (8612121).

Almost surely, 2^33628241 is an apocalyptic number.

It is an amenable number.

33628241 is a deficient number, since it is larger than the sum of its proper divisors (820243).

33628241 is an equidigital number, since it uses as much as digits as its factorization.

33628241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 820242.

The product of its digits is 6912, while the sum is 29.

The square root of 33628241 is about 5798.9862045016. The cubic root of 33628241 is about 322.7761103131.

The spelling of 33628241 in words is "thirty-three million, six hundred twenty-eight thousand, two hundred forty-one".