1858482366 has 64 divisors (see below), whose sum is σ = 4099673088. Its totient is φ = 558085248.

The previous prime is 1858482337. The next prime is 1858482383. The reversal of 1858482366 is 6632848581.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2246845 + ... + 2247671.

It is an arithmetic number, because the mean of its divisors is an integer number (64057392).

Almost surely, 2^1858482366 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1858482366, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2049836544).

1858482366 is an abundant number, since it is smaller than the sum of its proper divisors (2241190722).

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

1858482366 is a wasteful number, since it uses less digits than its factorization.

1858482366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1505.

The product of its digits is 2211840, while the sum is 51.

The square root of 1858482366 is about 43110.1190673373. The cubic root of 1858482366 is about 1229.4743751882.

The spelling of 1858482366 in words is "one billion, eight hundred fifty-eight million, four hundred eighty-two thousand, three hundred sixty-six".