33368989 has 8 divisors (see below), whose sum is σ = 35247872. Its totient is φ = 31540320.

The previous prime is 33368981. The next prime is 33369023. The reversal of 33368989 is 98986333.

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

It is a cyclic number.

It is not a de Polignac number, because 33368989 - 2³ = 33368981 is a prime.

It is a super-2 number, since 2×33368989² = 2226978853764242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33368981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11184 + ... + 13849.

It is an arithmetic number, because the mean of its divisors is an integer number (4405984).

Almost surely, 2^33368989 is an apocalyptic number.

It is an amenable number.

33368989 is a deficient number, since it is larger than the sum of its proper divisors (1878883).

33368989 is a wasteful number, since it uses less digits than its factorization.

33368989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25107.

The product of its digits is 839808, while the sum is 49.

The square root of 33368989 is about 5776.5897378990. The cubic root of 33368989 is about 321.9445045367.

The spelling of 33368989 in words is "thirty-three million, three hundred sixty-eight thousand, nine hundred eighty-nine".