33969128 has 32 divisors (see below), whose sum is σ = 68133960. Its totient is φ = 15820800.

The previous prime is 33969107. The next prime is 33969139. The reversal of 33969128 is 82196933.

It can be written as a sum of positive squares in 4 ways, for example, as 32924644 + 1044484 = 5738^2 + 1022^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 12500 + ... + 14972.

Almost surely, 2^33969128 is an apocalyptic number.

It is an amenable number.

33969128 is an abundant number, since it is smaller than the sum of its proper divisors (34164832).

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

33969128 is a wasteful number, since it uses less digits than its factorization.

33969128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2597 (or 2593 counting only the distinct ones).

The product of its digits is 69984, while the sum is 41.

The square root of 33969128 is about 5828.3040414858. The cubic root of 33969128 is about 323.8630981851.

The spelling of 33969128 in words is "thirty-three million, nine hundred sixty-nine thousand, one hundred twenty-eight".