33818241 has 16 divisors (see below), whose sum is σ = 47144960. Its totient is φ = 21537360.

The previous prime is 33818237. The next prime is 33818243. The reversal of 33818241 is 14281833.

It is not a de Polignac number, because 33818241 - 2² = 33818237 is a prime.

It is a super-2 number, since 2×33818241² = 2287346848668162, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 33818199 and 33818208.

It is not an unprimeable number, because it can be changed into a prime (33818243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5046 + ... + 9648.

It is an arithmetic number, because the mean of its divisors is an integer number (2946560).

Almost surely, 2^33818241 is an apocalyptic number.

33818241 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

33818241 is a deficient number, since it is larger than the sum of its proper divisors (13326719).

33818241 is a wasteful number, since it uses less digits than its factorization.

33818241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4716.

The product of its digits is 4608, while the sum is 30.

The square root of 33818241 is about 5815.3453035912. The cubic root of 33818241 is about 323.3828654292.

The spelling of 33818241 in words is "thirty-three million, eight hundred eighteen thousand, two hundred forty-one".