99828493 has 2 divisors, whose sum is σ = 99828494. Its totient is φ = 99828492.

The previous prime is 99828433. The next prime is 99828523. The reversal of 99828493 is 39482899.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 89056969 + 10771524 = 9437^2 + 3282^2 .

It is a cyclic number.

It is not a de Polignac number, because 99828493 - 2¹⁷ = 99697421 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 99828493.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99828433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49914246 + 49914247.

It is an arithmetic number, because the mean of its divisors is an integer number (49914247).

Almost surely, 2^99828493 is an apocalyptic number.

It is an amenable number.

99828493 is a deficient number, since it is larger than the sum of its proper divisors (1).

99828493 is an equidigital number, since it uses as much as digits as its factorization.

99828493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1119744, while the sum is 52.

The square root of 99828493 is about 9991.4209700122. The cubic root of 99828493 is about 463.8933765237.

The spelling of 99828493 in words is "ninety-nine million, eight hundred twenty-eight thousand, four hundred ninety-three".