192834421 has 8 divisors (see below), whose sum is σ = 207790520. Its totient is φ = 177895872.

The previous prime is 192834371. The next prime is 192834443. The reversal of 192834421 is 124438291.

It can be written as a sum of positive squares in 4 ways, for example, as 6812100 + 186022321 = 2610^2 + 13639^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 192834421 - 2⁷ = 192834293 is a prime.

It is a super-2 number, since 2×192834421² = 74370227844810482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (192834221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26575 + ... + 33043.

It is an arithmetic number, because the mean of its divisors is an integer number (25973815).

Almost surely, 2^192834421 is an apocalyptic number.

It is an amenable number.

192834421 is a deficient number, since it is larger than the sum of its proper divisors (14956099).

192834421 is a wasteful number, since it uses less digits than its factorization.

192834421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8775.

The product of its digits is 13824, while the sum is 34.

The square root of 192834421 is about 13886.4833921335. The cubic root of 192834421 is about 577.7343449011.

The spelling of 192834421 in words is "one hundred ninety-two million, eight hundred thirty-four thousand, four hundred twenty-one".