85829393 has 4 divisors (see below), whose sum is σ = 92431668. Its totient is φ = 79227120.

The previous prime is 85829389. The next prime is 85829423. The reversal of 85829393 is 39392858.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 57866449 + 27962944 = 7607^2 + 5288^2 .

It is a cyclic number.

It is not a de Polignac number, because 85829393 - 2² = 85829389 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85829363) 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 in 3 ways as a sum of consecutive naturals, for example, 3301118 + ... + 3301143.

It is an arithmetic number, because the mean of its divisors is an integer number (23107917).

Almost surely, 2^85829393 is an apocalyptic number.

It is an amenable number.

85829393 is a deficient number, since it is larger than the sum of its proper divisors (6602275).

85829393 is a wasteful number, since it uses less digits than its factorization.

85829393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6602274.

The product of its digits is 466560, while the sum is 47.

The square root of 85829393 is about 9264.4154159882. The cubic root of 85829393 is about 441.1084192410.

The spelling of 85829393 in words is "eighty-five million, eight hundred twenty-nine thousand, three hundred ninety-three".