9828493 has 2 divisors, whose sum is σ = 9828494. Its totient is φ = 9828492.

The previous prime is 9828473. The next prime is 9828547. The reversal of 9828493 is 3948289.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7717284 + 2111209 = 2778^2 + 1453^2 .

It is an emirp because it is prime and its reverse (3948289) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9828493 - 2⁵ = 9828461 is a prime.

It is a d-powerful number, because it can be written as 9⁷ + 8² + 2¹⁸ + 8² + 4⁴ + 9⁷ + 3³ .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9828433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4914246 + 4914247.

It is an arithmetic number, because the mean of its divisors is an integer number (4914247).

Almost surely, 2^9828493 is an apocalyptic number.

It is an amenable number.

9828493 is a deficient number, since it is larger than the sum of its proper divisors (1).

9828493 is an equidigital number, since it uses as much as digits as its factorization.

9828493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 124416, while the sum is 43.

The square root of 9828493 is about 3135.0427429303. The cubic root of 9828493 is about 214.2046910402.

The spelling of 9828493 in words is "nine million, eight hundred twenty-eight thousand, four hundred ninety-three".