85421460 has 24 divisors (see below), whose sum is σ = 239180256. Its totient is φ = 22779040.

The previous prime is 85421459. The next prime is 85421467. The reversal of 85421460 is 6412458.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85421467) 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, 711786 + ... + 711905.

It is an arithmetic number, because the mean of its divisors is an integer number (9965844).

Almost surely, 2^85421460 is an apocalyptic number.

It is an amenable number.

85421460 is an abundant number, since it is smaller than the sum of its proper divisors (153758796).

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

85421460 is a wasteful number, since it uses less digits than its factorization.

85421460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1423703 (or 1423701 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 85421460 is about 9242.3730718901. The cubic root of 85421460 is about 440.4084705445.

The spelling of 85421460 in words is "eighty-five million, four hundred twenty-one thousand, four hundred sixty".