85244448 has 96 divisors (see below), whose sum is σ = 233041536. Its totient is φ = 27260928.

The previous prime is 85244437. The next prime is 85244459. The reversal of 85244448 is 84444258.

It is an interprime number because it is at equal distance from previous prime (85244437) and next prime (85244459).

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 365740 + ... + 365972.

It is an arithmetic number, because the mean of its divisors is an integer number (2427516).

Almost surely, 2^85244448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85244448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116520768).

85244448 is an abundant number, since it is smaller than the sum of its proper divisors (147797088).

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

85244448 is a wasteful number, since it uses less digits than its factorization.

85244448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386 (or 378 counting only the distinct ones).

The product of its digits is 163840, while the sum is 39.

The square root of 85244448 is about 9232.7919937579. The cubic root of 85244448 is about 440.1040525264.

The spelling of 85244448 in words is "eighty-five million, two hundred forty-four thousand, four hundred forty-eight".