85438448 has 10 divisors (see below), whose sum is σ = 165537024. Its totient is φ = 42719216.

The previous prime is 85438427. The next prime is 85438477. The reversal of 85438448 is 84483458.

It is a junction number, because it is equal to n+sod(n) for n = 85438399 and 85438408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2669936 + ... + 2669967.

Almost surely, 2^85438448 is an apocalyptic number.

It is an amenable number.

85438448 is a deficient number, since it is larger than the sum of its proper divisors (80098576).

85438448 is a wasteful number, since it uses less digits than its factorization.

85438448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5339911 (or 5339905 counting only the distinct ones).

The product of its digits is 491520, while the sum is 44.

The square root of 85438448 is about 9243.2920542413. The cubic root of 85438448 is about 440.4376636894.

The spelling of 85438448 in words is "eighty-five million, four hundred thirty-eight thousand, four hundred forty-eight".