219438982 has 16 divisors (see below), whose sum is σ = 379146240. Its totient is φ = 93304008.

The previous prime is 219438953. The next prime is 219438991. The reversal of 219438982 is 289834912.

219438982 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59932 + ... + 63487.

It is an arithmetic number, because the mean of its divisors is an integer number (23696640).

Almost surely, 2^219438982 is an apocalyptic number.

219438982 is a deficient number, since it is larger than the sum of its proper divisors (159707258).

219438982 is a wasteful number, since it uses less digits than its factorization.

219438982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123555.

The product of its digits is 248832, while the sum is 46.

The square root of 219438982 is about 14813.4729891407. The cubic root of 219438982 is about 603.1674914965.

The spelling of 219438982 in words is "two hundred nineteen million, four hundred thirty-eight thousand, nine hundred eighty-two".