80384900 has 18 divisors (see below), whose sum is σ = 174435450. Its totient is φ = 32153920.

The previous prime is 80384893. The next prime is 80384903. The reversal of 80384900 is 948308.

It can be written as a sum of positive squares in 3 ways, for example, as 22259524 + 58125376 = 4718^2 + 7624^2 .

It is not an unprimeable number, because it can be changed into a prime (80384903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 401825 + ... + 402024.

Almost surely, 2^80384900 is an apocalyptic number.

It is an amenable number.

80384900 is an abundant number, since it is smaller than the sum of its proper divisors (94050550).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80384900 is a wasteful number, since it uses less digits than its factorization.

80384900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 803863 (or 803856 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 80384900 is about 8965.7626557923. The cubic root of 80384900 is about 431.5768676387.

The spelling of 80384900 in words is "eighty million, three hundred eighty-four thousand, nine hundred".