85421230 has 16 divisors (see below), whose sum is σ = 153906480. Its totient is φ = 34135552.

The previous prime is 85421201. The next prime is 85421233. The reversal of 85421230 is 3212458.

It is a junction number, because it is equal to n+sod(n) for n = 85421195 and 85421204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85421233) 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, 8661 + ... + 15679.

It is an arithmetic number, because the mean of its divisors is an integer number (9619155).

Almost surely, 2^85421230 is an apocalyptic number.

85421230 is a deficient number, since it is larger than the sum of its proper divisors (68485250).

85421230 is a wasteful number, since it uses less digits than its factorization.

85421230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8243.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 85421230 is about 9242.3606291899. The cubic root of 85421230 is about 440.4080752729.

Adding to 85421230 its reverse (3212458), we get a palindrome (88633688).

The spelling of 85421230 in words is "eighty-five million, four hundred twenty-one thousand, two hundred thirty".