192494813 has 8 divisors (see below), whose sum is σ = 220224000. Its totient is φ = 164823120.

The previous prime is 192494801. The next prime is 192494821. The reversal of 192494813 is 318494291.

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

It is not a de Polignac number, because 192494813 - 2⁸ = 192494557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (192497813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6938 + ... + 20811.

It is an arithmetic number, because the mean of its divisors is an integer number (27528000).

Almost surely, 2^192494813 is an apocalyptic number.

It is an amenable number.

192494813 is a deficient number, since it is larger than the sum of its proper divisors (27729187).

192494813 is an equidigital number, since it uses as much as digits as its factorization.

192494813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28747.

The product of its digits is 62208, while the sum is 41.

The square root of 192494813 is about 13874.2499977476. The cubic root of 192494813 is about 577.3949889958.

The spelling of 192494813 in words is "one hundred ninety-two million, four hundred ninety-four thousand, eight hundred thirteen".