1838620832 has 48 divisors (see below), whose sum is σ = 3731001120. Its totient is φ = 891378432.

The previous prime is 1838620831. The next prime is 1838620859. The reversal of 1838620832 is 2380268381.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1838620832.

It is not an unprimeable number, because it can be changed into a prime (1838620831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186458 + ... + 196070.

It is an arithmetic number, because the mean of its divisors is an integer number (77729190).

Almost surely, 2^1838620832 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 1838620832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1865500560).

1838620832 is an abundant number, since it is smaller than the sum of its proper divisors (1892380288).

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

1838620832 is a wasteful number, since it uses less digits than its factorization.

1838620832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9805 (or 9797 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 41.

The square root of 1838620832 is about 42879.1421555982. The cubic root of 1838620832 is about 1225.0788969315.

The spelling of 1838620832 in words is "one billion, eight hundred thirty-eight million, six hundred twenty thousand, eight hundred thirty-two".