83491300 has 18 divisors (see below), whose sum is σ = 181176338. Its totient is φ = 33396480.

The previous prime is 83491297. The next prime is 83491307. The reversal of 83491300 is 319438.

It can be written as a sum of positive squares in 3 ways, for example, as 9290304 + 74200996 = 3048^2 + 8614^2 .

It is not an unprimeable number, because it can be changed into a prime (83491307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 417357 + ... + 417556.

Almost surely, 2^83491300 is an apocalyptic number.

It is an amenable number.

83491300 is an abundant number, since it is smaller than the sum of its proper divisors (97685038).

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

83491300 is a wasteful number, since it uses less digits than its factorization.

83491300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 834927 (or 834920 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 83491300 is about 9137.3573860280. The cubic root of 83491300 is about 437.0660513488.

The spelling of 83491300 in words is "eighty-three million, four hundred ninety-one thousand, three hundred".