33148389 has 8 divisors (see below), whose sum is σ = 44259712. Its totient is φ = 22068000.

The previous prime is 33148343. The next prime is 33148391. The reversal of 33148389 is 98384133.

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

It is not a de Polignac number, because 33148389 - 2⁷ = 33148261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33148319) 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, 5104 + ... + 9609.

It is an arithmetic number, because the mean of its divisors is an integer number (5532464).

Almost surely, 2^33148389 is an apocalyptic number.

It is an amenable number.

33148389 is a deficient number, since it is larger than the sum of its proper divisors (11111323).

33148389 is a wasteful number, since it uses less digits than its factorization.

33148389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15467.

The product of its digits is 62208, while the sum is 39.

The square root of 33148389 is about 5757.4637645408. The cubic root of 33148389 is about 321.2334846945.

The spelling of 33148389 in words is "thirty-three million, one hundred forty-eight thousand, three hundred eighty-nine".