33989146 has 16 divisors (see below), whose sum is σ = 51592320. Its totient is φ = 16793280.

The previous prime is 33989093. The next prime is 33989159. The reversal of 33989146 is 64198933.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100690 + ... + 101026.

It is an arithmetic number, because the mean of its divisors is an integer number (3224520).

Almost surely, 2^33989146 is an apocalyptic number.

33989146 is a deficient number, since it is larger than the sum of its proper divisors (17603174).

33989146 is a wasteful number, since it uses less digits than its factorization.

33989146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 789.

The product of its digits is 139968, while the sum is 43.

The square root of 33989146 is about 5830.0210977320. The cubic root of 33989146 is about 323.9267031779.

It can be divided in two parts, 3398 and 9146, that added together give a square (12544 = 112²).

The spelling of 33989146 in words is "thirty-three million, nine hundred eighty-nine thousand, one hundred forty-six".