858091048 has 32 divisors (see below), whose sum is σ = 1725148800. Its totient is φ = 398691072.

The previous prime is 858091037. The next prime is 858091049. The reversal of 858091048 is 840190858.

It is a junction number, because it is equal to n+sod(n) for n = 858090995 and 858091013.

It is not an unprimeable number, because it can be changed into a prime (858091049) 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, 29190 + ... + 50677.

It is an arithmetic number, because the mean of its divisors is an integer number (53910900).

Almost surely, 2^858091048 is an apocalyptic number.

It is an amenable number.

858091048 is an abundant number, since it is smaller than the sum of its proper divisors (867057752).

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

858091048 is a wasteful number, since it uses less digits than its factorization.

858091048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79969 (or 79965 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 43.

The square root of 858091048 is about 29293.1911542597. The cubic root of 858091048 is about 950.2643947381.

The spelling of 858091048 in words is "eight hundred fifty-eight million, ninety-one thousand, forty-eight".