1834390216 has 8 divisors (see below), whose sum is σ = 3439481670. Its totient is φ = 917195104.

The previous prime is 1834390193. The next prime is 1834390237. The reversal of 1834390216 is 6120934381.

It can be written as a sum of positive squares in only one way, i.e., 1102904100 + 731486116 = 33210^2 + 27046^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114649381 + ... + 114649396.

Almost surely, 2^1834390216 is an apocalyptic number.

It is an amenable number.

1834390216 is a deficient number, since it is larger than the sum of its proper divisors (1605091454).

1834390216 is a wasteful number, since it uses less digits than its factorization.

1834390216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229298783 (or 229298779 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 1834390216 is about 42829.7818813031. The cubic root of 1834390216 is about 1224.1385510354.

The spelling of 1834390216 in words is "one billion, eight hundred thirty-four million, three hundred ninety thousand, two hundred sixteen".