219948934 has 8 divisors (see below), whose sum is σ = 341300160. Its totient is φ = 106182216.

The previous prime is 219948917. The next prime is 219948943. The reversal of 219948934 is 439849912.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 1896054 + ... + 1896169.

It is an arithmetic number, because the mean of its divisors is an integer number (42662520).

Almost surely, 2^219948934 is an apocalyptic number.

219948934 is a deficient number, since it is larger than the sum of its proper divisors (121351226).

219948934 is a wasteful number, since it uses less digits than its factorization.

219948934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3792254.

The product of its digits is 559872, while the sum is 49.

The square root of 219948934 is about 14830.6754397768. The cubic root of 219948934 is about 603.6343616143.

The spelling of 219948934 in words is "two hundred nineteen million, nine hundred forty-eight thousand, nine hundred thirty-four".