33909485 has 4 divisors (see below), whose sum is σ = 40691388. Its totient is φ = 27127584.

The previous prime is 33909479. The next prime is 33909493. The reversal of 33909485 is 58490933.

33909485 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58490933 = 67 ⋅872999.

It can be written as a sum of positive squares in 2 ways, for example, as 9278116 + 24631369 = 3046^2 + 4963^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33909485 is a prime.

It is a super-2 number, since 2×33909485² = 2299706345930450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3390944 + ... + 3390953.

It is an arithmetic number, because the mean of its divisors is an integer number (10172847).

Almost surely, 2^33909485 is an apocalyptic number.

It is an amenable number.

33909485 is a deficient number, since it is larger than the sum of its proper divisors (6781903).

33909485 is an equidigital number, since it uses as much as digits as its factorization.

33909485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6781902.

The product of its (nonzero) digits is 116640, while the sum is 41.

The square root of 33909485 is about 5823.1851249982. The cubic root of 33909485 is about 323.6734408496.

The spelling of 33909485 in words is "thirty-three million, nine hundred nine thousand, four hundred eighty-five".