814949192 has 12 divisors (see below), whose sum is σ = 1528181145. Its totient is φ = 407434224.

The previous prime is 814949189. The next prime is 814949323. The reversal of 814949192 is 291949418.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 814874116 + 75076 = 28546^2 + 274^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=20186.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 75698 + ... + 85790.

Almost surely, 2^814949192 is an apocalyptic number.

It is an amenable number.

814949192 is a deficient number, since it is larger than the sum of its proper divisors (713231953).

814949192 is an frugal number, since it uses more digits than its factorization.

814949192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20192 (or 10095 counting only the distinct ones).

The product of its digits is 186624, while the sum is 47.

The square root of 814949192 is about 28547.3149700633. The cubic root of 814949192 is about 934.0644524177.

The spelling of 814949192 in words is "eight hundred fourteen million, nine hundred forty-nine thousand, one hundred ninety-two".