85402448 has 20 divisors (see below), whose sum is σ = 171173940. Its totient is φ = 41228544.

The previous prime is 85402433. The next prime is 85402459. The reversal of 85402448 is 84420458.

It can be written as a sum of positive squares in 2 ways, for example, as 73068304 + 12334144 = 8548^2 + 3512^2 .

It is a congruent number.

It is an unprimeable number.

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, 91565 + ... + 92492.

It is an arithmetic number, because the mean of its divisors is an integer number (8558697).

Almost surely, 2^85402448 is an apocalyptic number.

It is an amenable number.

85402448 is an abundant number, since it is smaller than the sum of its proper divisors (85771492).

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

85402448 is a wasteful number, since it uses less digits than its factorization.

85402448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184094 (or 184088 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 35.

The square root of 85402448 is about 9241.3444909277. The cubic root of 85402448 is about 440.3757946529.

The spelling of 85402448 in words is "eighty-five million, four hundred two thousand, four hundred forty-eight".