33856970 has 16 divisors (see below), whose sum is σ = 69648768. Its totient is φ = 11608080.

The previous prime is 33856969. The next prime is 33856987. The reversal of 33856970 is 7965833.

It is a super-2 number, since 2×33856970² = 2292588835161800, which contains 22 as substring.

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, 241766 + ... + 241905.

It is an arithmetic number, because the mean of its divisors is an integer number (4353048).

Almost surely, 2^33856970 is an apocalyptic number.

33856970 is an abundant number, since it is smaller than the sum of its proper divisors (35791798).

33856970 is a wasteful number, since it uses less digits than its factorization.

33856970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483685.

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 33856970 is about 5818.6742476272. The cubic root of 33856970 is about 323.5062654710.

The spelling of 33856970 in words is "thirty-three million, eight hundred fifty-six thousand, nine hundred seventy".