33980433 has 16 divisors (see below), whose sum is σ = 49522176. Its totient is φ = 20632320.

The previous prime is 33980383. The next prime is 33980459. The reversal of 33980433 is 33408933.

It is not a de Polignac number, because 33980433 - 2¹⁰ = 33979409 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 33980394 and 33980403.

It is not an unprimeable number, because it can be changed into a prime (33980533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9166 + ... + 12327.

It is an arithmetic number, because the mean of its divisors is an integer number (3095136).

Almost surely, 2^33980433 is an apocalyptic number.

It is an amenable number.

33980433 is a deficient number, since it is larger than the sum of its proper divisors (15541743).

33980433 is a wasteful number, since it uses less digits than its factorization.

33980433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21544.

The product of its (nonzero) digits is 23328, while the sum is 33.

The square root of 33980433 is about 5829.2737969665. The cubic root of 33980433 is about 323.8990216491.

The spelling of 33980433 in words is "thirty-three million, nine hundred eighty thousand, four hundred thirty-three".