85231460 has 24 divisors (see below), whose sum is σ = 180632760. Its totient is φ = 33778944.

The previous prime is 85231451. The next prime is 85231469. The reversal of 85231460 is 6413258.

It is an interprime number because it is at equal distance from previous prime (85231451) and next prime (85231469).

It can be written as a sum of positive squares in 4 ways, for example, as 11546404 + 73685056 = 3398^2 + 8584^2 .

It is not an unprimeable number, because it can be changed into a prime (85231469) 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 7 ways as a sum of consecutive naturals, for example, 17369 + ... + 21728.

It is an arithmetic number, because the mean of its divisors is an integer number (7526365).

Almost surely, 2^85231460 is an apocalyptic number.

It is an amenable number.

85231460 is an abundant number, since it is smaller than the sum of its proper divisors (95401300).

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

85231460 is a wasteful number, since it uses less digits than its factorization.

85231460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39215 (or 39213 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 85231460 is about 9232.0886044275. The cubic root of 85231460 is about 440.0816997050.

The spelling of 85231460 in words is "eighty-five million, two hundred thirty-one thousand, four hundred sixty".