80984933 has 4 divisors (see below), whose sum is σ = 81453228. Its totient is φ = 80516640.

The previous prime is 80984921. The next prime is 80985013. The reversal of 80984933 is 33948908.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 68923204 + 12061729 = 8302^2 + 3473^2 .

It is a cyclic number.

It is not a de Polignac number, because 80984933 - 2¹⁴ = 80968549 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80983933) 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, 233888 + ... + 234233.

It is an arithmetic number, because the mean of its divisors is an integer number (20363307).

Almost surely, 2^80984933 is an apocalyptic number.

It is an amenable number.

80984933 is a deficient number, since it is larger than the sum of its proper divisors (468295).

80984933 is a wasteful number, since it uses less digits than its factorization.

80984933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468294.

The product of its (nonzero) digits is 186624, while the sum is 44.

The square root of 80984933 is about 8999.1629055152. The cubic root of 80984933 is about 432.6480418061.

It can be divided in two parts, 8098 and 4933, that added together give a palindrome (13031).

The spelling of 80984933 in words is "eighty million, nine hundred eighty-four thousand, nine hundred thirty-three".