192815 has 12 divisors (see below), whose sum is σ = 269496. Its totient is φ = 132048.

The previous prime is 192811. The next prime is 192817. The reversal of 192815 is 518291.

It is a happy number.

It is not a de Polignac number, because 192815 - 2² = 192811 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (192811) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 149 + ... + 638.

It is an arithmetic number, because the mean of its divisors is an integer number (22458).

2¹⁹²⁸¹⁵ is an apocalyptic number.

192815 is a deficient number, since it is larger than the sum of its proper divisors (76681).

192815 is an equidigital number, since it uses as much as digits as its factorization.

192815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 806 (or 799 counting only the distinct ones).

The product of its digits is 720, while the sum is 26.

The square root of 192815 is about 439.1070484517. The cubic root of 192815 is about 57.7714949063.

It can be divided in two parts, 1928 and 15, that multiplied together give a triangular number (28920 = T₂₄₀).

The spelling of 192815 in words is "one hundred ninety-two thousand, eight hundred fifteen".