219412732 has 96 divisors (see below), whose sum is σ = 510935040. Its totient is φ = 79907520.

The previous prime is 219412729. The next prime is 219412733. The reversal of 219412732 is 237214912.

It is a junction number, because it is equal to n+sod(n) for n = 219412694 and 219412703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (219412733) by changing a digit.

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, 332619 + ... + 333277.

It is an arithmetic number, because the mean of its divisors is an integer number (5322240).

Almost surely, 2^219412732 is an apocalyptic number.

219412732 is a gapful number since it is divisible by the number (22) 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 219412732, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (255467520).

219412732 is an abundant number, since it is smaller than the sum of its proper divisors (291522308).

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

219412732 is a wasteful number, since it uses less digits than its factorization.

219412732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 751 (or 749 counting only the distinct ones).

The product of its digits is 6048, while the sum is 31.

The square root of 219412732 is about 14812.5869448925. The cubic root of 219412732 is about 603.1434395894.

The spelling of 219412732 in words is "two hundred nineteen million, four hundred twelve thousand, seven hundred thirty-two".