85439352 has 32 divisors (see below), whose sum is σ = 224841600. Its totient is φ = 26980704.

The previous prime is 85439351. The next prime is 85439353. The reversal of 85439352 is 25393458.

It is an interprime number because it is at equal distance from previous prime (85439351) and next prime (85439353).

It is a self number, because there is not a number n which added to its sum of digits gives 85439352.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85439351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93228 + ... + 94139.

It is an arithmetic number, because the mean of its divisors is an integer number (7026300).

Almost surely, 2^85439352 is an apocalyptic number.

It is an amenable number.

85439352 is an abundant number, since it is smaller than the sum of its proper divisors (139402248).

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

85439352 is a wasteful number, since it uses less digits than its factorization.

85439352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187395 (or 187391 counting only the distinct ones).

The product of its digits is 129600, while the sum is 39.

The square root of 85439352 is about 9243.3409544385. The cubic root of 85439352 is about 440.4392170660.

The spelling of 85439352 in words is "eighty-five million, four hundred thirty-nine thousand, three hundred fifty-two".