361842858 has 72 divisors (see below), whose sum is σ = 899005068. Its totient is φ = 104772096.

The previous prime is 361842799. The next prime is 361842907. The reversal of 361842858 is 858248163.

361842858 is a `hidden beast` number, since 3 + 618 + 4 + 28 + 5 + 8 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 68508729 + 293334129 = 8277^2 + 17127^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 48216 + ... + 55212.

Almost surely, 2^361842858 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 361842858, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (449502534).

361842858 is an abundant number, since it is smaller than the sum of its proper divisors (537162210).

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

361842858 is a wasteful number, since it uses less digits than its factorization.

361842858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7048 (or 7032 counting only the distinct ones).

The product of its digits is 368640, while the sum is 45.

The square root of 361842858 is about 19022.1675421073. The cubic root of 361842858 is about 712.5904564749.

The spelling of 361842858 in words is "three hundred sixty-one million, eight hundred forty-two thousand, eight hundred fifty-eight".