33398741 has 4 divisors (see below), whose sum is σ = 33856332. Its totient is φ = 32941152.

The previous prime is 33398731. The next prime is 33398747. The reversal of 33398741 is 14789333.

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 9672100 + 23726641 = 3110^2 + 4871^2 .

It is a cyclic number.

It is not a de Polignac number, because 33398741 - 2¹⁴ = 33382357 is a prime.

It is a super-2 number, since 2×33398741² = 2230951800770162, 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 = 33398695 and 33398704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33398747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 228686 + ... + 228831.

It is an arithmetic number, because the mean of its divisors is an integer number (8464083).

Almost surely, 2^33398741 is an apocalyptic number.

It is an amenable number.

33398741 is a deficient number, since it is larger than the sum of its proper divisors (457591).

33398741 is an equidigital number, since it uses as much as digits as its factorization.

33398741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457590.

The product of its digits is 54432, while the sum is 38.

The square root of 33398741 is about 5779.1643859645. The cubic root of 33398741 is about 322.0401586939.

The spelling of 33398741 in words is "thirty-three million, three hundred ninety-eight thousand, seven hundred forty-one".