858471048 has 60 divisors (see below), whose sum is σ = 2406604695. Its totient is φ = 285908400.

The previous prime is 858471041. The next prime is 858471059. The reversal of 858471048 is 840174858.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 429235524 + 429235524 = 20718^2 + 20718^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=20718.

It is a junction number, because it is equal to n+sod(n) for n = 858470994 and 858471012.

It is not an unprimeable number, because it can be changed into a prime (858471041) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 745273 + ... + 746423.

Almost surely, 2^858471048 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 858471048

858471048 is an abundant number, since it is smaller than the sum of its proper divisors (1548133647).

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

858471048 is an equidigital number, since it uses as much as digits as its factorization.

858471048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2320 (or 1156 counting only the distinct ones).

The product of its (nonzero) digits is 286720, while the sum is 45.

The square root of 858471048 is about 29299.6765852458. The cubic root of 858471048 is about 950.4046468245.

It can be divided in two parts, 858 and 471048, that added together give a triangular number (471906 = T₉₇₁).

The spelling of 858471048 in words is "eight hundred fifty-eight million, four hundred seventy-one thousand, forty-eight".