32978433 has 24 divisors (see below), whose sum is σ = 47719488. Its totient is φ = 20240928.

The previous prime is 32978417. The next prime is 32978447. The reversal of 32978433 is 33487923.

It is not a de Polignac number, because 32978433 - 2⁴ = 32978417 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 32978391 and 32978400.

It is not an unprimeable number, because it can be changed into a prime (32978833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39660 + ... + 40482.

It is an arithmetic number, because the mean of its divisors is an integer number (1988312).

Almost surely, 2^32978433 is an apocalyptic number.

It is an amenable number.

32978433 is a deficient number, since it is larger than the sum of its proper divisors (14741055).

32978433 is a wasteful number, since it uses less digits than its factorization.

32978433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 901 (or 882 counting only the distinct ones).

The product of its digits is 108864, while the sum is 39.

The square root of 32978433 is about 5742.6851733314. The cubic root of 32978433 is about 320.6835421224.

It can be divided in two parts, 32978 and 433, that added together give a triangular number (33411 = T₂₅₈).

The spelling of 32978433 in words is "thirty-two million, nine hundred seventy-eight thousand, four hundred thirty-three".