85248340 has 12 divisors (see below), whose sum is σ = 179021556. Its totient is φ = 34099328.

The previous prime is 85248337. The next prime is 85248349. The reversal of 85248340 is 4384258.

It can be written as a sum of positive squares in 2 ways, for example, as 37527876 + 47720464 = 6126^2 + 6908^2 .

It is a junction number, because it is equal to n+sod(n) for n = 85248296 and 85248305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85248349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2131189 + ... + 2131228.

It is an arithmetic number, because the mean of its divisors is an integer number (14918463).

Almost surely, 2^85248340 is an apocalyptic number.

It is an amenable number.

85248340 is an abundant number, since it is smaller than the sum of its proper divisors (93773216).

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

85248340 is a wasteful number, since it uses less digits than its factorization.

85248340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4262426 (or 4262424 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 34.

The square root of 85248340 is about 9233.0027618321. The cubic root of 85248340 is about 440.1107503581.

The spelling of 85248340 in words is "eighty-five million, two hundred forty-eight thousand, three hundred forty".