33869538 has 12 divisors (see below), whose sum is σ = 73384038. Its totient is φ = 11289840.

The previous prime is 33869531. The next prime is 33869569. The reversal of 33869538 is 83596833.

33869538 is a `hidden beast` number, since 33 + 86 + 9 + 538 = 666.

It can be written as a sum of positive squares in only one way, i.e., 21316689 + 12552849 = 4617^2 + 3543^2 .

It is a super-2 number, since 2×33869538² = 2294291208666888, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33869493 and 33869502.

It is not an unprimeable number, because it can be changed into a prime (33869531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 940803 + ... + 940838.

Almost surely, 2^33869538 is an apocalyptic number.

33869538 is an abundant number, since it is smaller than the sum of its proper divisors (39514500).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33869538 is a wasteful number, since it uses less digits than its factorization.

33869538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1881649 (or 1881646 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The square root of 33869538 is about 5819.7541185174. The cubic root of 33869538 is about 323.5462899598.

The spelling of 33869538 in words is "thirty-three million, eight hundred sixty-nine thousand, five hundred thirty-eight".