1832421312 has 112 divisors (see below), whose sum is σ = 5398942720. Its totient is φ = 609451776.

The previous prime is 1832421287. The next prime is 1832421317. The reversal of 1832421312 is 2131242381.

1832421312 is a `hidden beast` number, since 1 + 8 + 324 + 21 + 312 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1832421317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1048023 + ... + 1049769.

Almost surely, 2^1832421312 is an apocalyptic number.

1832421312 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 1832421312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2699471360).

1832421312 is an abundant number, since it is smaller than the sum of its proper divisors (3566521408).

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

1832421312 is a wasteful number, since it uses less digits than its factorization.

1832421312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2375 (or 2359 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 1832421312 is about 42806.7904893604. The cubic root of 1832421312 is about 1223.7004264933.

Adding to 1832421312 its reverse (2131242381), we get a palindrome (3963663693).

The spelling of 1832421312 in words is "one billion, eight hundred thirty-two million, four hundred twenty-one thousand, three hundred twelve".