219290934 has 16 divisors (see below), whose sum is σ = 450435888. Its totient is φ = 71121312.

The previous prime is 219290917. The next prime is 219290959. The reversal of 219290934 is 439092912.

It is a junction number, because it is equal to n+sod(n) for n = 219290892 and 219290901.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 493677 + ... + 494120.

It is an arithmetic number, because the mean of its divisors is an integer number (28152243).

Almost surely, 2^219290934 is an apocalyptic number.

219290934 is an abundant number, since it is smaller than the sum of its proper divisors (231144954).

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

219290934 is a wasteful number, since it uses less digits than its factorization.

219290934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 987839.

The product of its (nonzero) digits is 34992, while the sum is 39.

The square root of 219290934 is about 14808.4750734166. The cubic root of 219290934 is about 603.0318154656.

The spelling of 219290934 in words is "two hundred nineteen million, two hundred ninety thousand, nine hundred thirty-four".