33986994 has 8 divisors (see below), whose sum is σ = 67974000. Its totient is φ = 11328996.

The previous prime is 33986989. The next prime is 33986999. The reversal of 33986994 is 49968933.

It is an interprime number because it is at equal distance from previous prime (33986989) and next prime (33986999).

It is a sphenic number, since it is the product of 3 distinct primes.

33986994 is an admirable number.

It is a super-2 number, since 2×33986994² = 2310231522312072, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33986999) 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 3 ways as a sum of consecutive naturals, for example, 2832244 + ... + 2832255.

It is an arithmetic number, because the mean of its divisors is an integer number (8496750).

Almost surely, 2^33986994 is an apocalyptic number.

33986994 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

33986994 is a wasteful number, since it uses less digits than its factorization.

33986994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5664504.

The product of its digits is 1259712, while the sum is 51.

The square root of 33986994 is about 5829.8365328712. The cubic root of 33986994 is about 323.9198666329.

It can be divided in two parts, 33986 and 994, that added together give a triangular number (34980 = T₂₆₄).

The spelling of 33986994 in words is "thirty-three million, nine hundred eighty-six thousand, nine hundred ninety-four".