8061858 has 48 divisors (see below), whose sum is σ = 20180160. Its totient is φ = 2278368.

The previous prime is 8061847. The next prime is 8061877. The reversal of 8061858 is 8581608.

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 23 ways as a sum of consecutive naturals, for example, 13441 + ... + 14027.

It is an arithmetic number, because the mean of its divisors is an integer number (420420).

Almost surely, 2^8061858 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8061858, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10090080).

8061858 is an abundant number, since it is smaller than the sum of its proper divisors (12118302).

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

8061858 is a wasteful number, since it uses less digits than its factorization.

8061858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711 (or 708 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 36.

The square root of 8061858 is about 2839.3411207532. The cubic root of 8061858 is about 200.5141603961.

The spelling of 8061858 in words is "eight million, sixty-one thousand, eight hundred fifty-eight".