33986870 has 16 divisors (see below), whose sum is σ = 63836640. Its totient is φ = 13003584.

The previous prime is 33986863. The next prime is 33986873. The reversal of 33986870 is 7868933.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33986873) 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 7 ways as a sum of consecutive naturals, for example, 73655 + ... + 74114.

It is an arithmetic number, because the mean of its divisors is an integer number (3989790).

Almost surely, 2^33986870 is an apocalyptic number.

33986870 is a deficient number, since it is larger than the sum of its proper divisors (29849770).

33986870 is a wasteful number, since it uses less digits than its factorization.

33986870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147799.

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 33986870 is about 5829.8258979150. The cubic root of 33986870 is about 323.9194726968.

The spelling of 33986870 in words is "thirty-three million, nine hundred eighty-six thousand, eight hundred seventy".