80321984 has 28 divisors (see below), whose sum is σ = 160553400. Its totient is φ = 39867648.

The previous prime is 80321981. The next prime is 80322019. The reversal of 80321984 is 48912308.

It is a happy number.

It is a super-2 number, since 2×80321984² = 12903242227392512, which contains 22 as substring.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80321981) 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, 4382 + ... + 13410.

It is an arithmetic number, because the mean of its divisors is an integer number (5734050).

Almost surely, 2^80321984 is an apocalyptic number.

It is an amenable number.

80321984 is a deficient number, since it is larger than the sum of its proper divisors (80231416).

80321984 is a wasteful number, since it uses less digits than its factorization.

80321984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9180 (or 9170 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 80321984 is about 8962.2532880967. The cubic root of 80321984 is about 431.4642421026.

The spelling of 80321984 in words is "eighty million, three hundred twenty-one thousand, nine hundred eighty-four".