1838942532 has 72 divisors (see below), whose sum is σ = 5321534400. Its totient is φ = 524518848.

The previous prime is 1838942527. The next prime is 1838942549. The reversal of 1838942532 is 2352498381.

1838942532 is a `hidden beast` number, since 18 + 389 + 4 + 253 + 2 = 666.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 150094 + ... + 161882.

It is an arithmetic number, because the mean of its divisors is an integer number (73910200).

Almost surely, 2^1838942532 is an apocalyptic number.

1838942532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1838942532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2660767200).

1838942532 is an abundant number, since it is smaller than the sum of its proper divisors (3482591868).

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

1838942532 is a wasteful number, since it uses less digits than its factorization.

1838942532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12425 (or 12420 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

The square root of 1838942532 is about 42882.8932326167. The cubic root of 1838942532 is about 1225.1503426752.

The spelling of 1838942532 in words is "one billion, eight hundred thirty-eight million, nine hundred forty-two thousand, five hundred thirty-two".