33989149 has 4 divisors (see below), whose sum is σ = 34109536. Its totient is φ = 33868764.

The previous prime is 33989093. The next prime is 33989159. The reversal of 33989149 is 94198933.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 33989149 - 2⁹ = 33988637 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 33989099 and 33989108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33989159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59769 + ... + 60334.

It is an arithmetic number, because the mean of its divisors is an integer number (8527384).

Almost surely, 2^33989149 is an apocalyptic number.

It is an amenable number.

33989149 is a deficient number, since it is larger than the sum of its proper divisors (120387).

33989149 is a wasteful number, since it uses less digits than its factorization.

33989149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120386.

The product of its digits is 209952, while the sum is 46.

The square root of 33989149 is about 5830.0213550209. The cubic root of 33989149 is about 323.9267127082.

The spelling of 33989149 in words is "thirty-three million, nine hundred eighty-nine thousand, one hundred forty-nine".