106828591 has 2 divisors, whose sum is σ = 106828592. Its totient is φ = 106828590.

The previous prime is 106828571. The next prime is 106828637. The reversal of 106828591 is 195828601.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 106828591 - 2¹¹ = 106826543 is a prime.

It is a super-2 number, since 2×106828591² = 22824695710090562, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (106828541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53414295 + 53414296.

It is an arithmetic number, because the mean of its divisors is an integer number (53414296).

Almost surely, 2^106828591 is an apocalyptic number.

106828591 is a deficient number, since it is larger than the sum of its proper divisors (1).

106828591 is an equidigital number, since it uses as much as digits as its factorization.

106828591 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34560, while the sum is 40.

The square root of 106828591 is about 10335.7917451930. The cubic root of 106828591 is about 474.4922974259.

The spelling of 106828591 in words is "one hundred six million, eight hundred twenty-eight thousand, five hundred ninety-one".