192904 has 8 divisors (see below), whose sum is σ = 361710. Its totient is φ = 96448.

The previous prime is 192889. The next prime is 192917. The reversal of 192904 is 409291.

It can be written as a sum of positive squares in only one way, i.e., 152100 + 40804 = 390^2 + 202^2 .

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12049 + ... + 12064.

2¹⁹²⁹⁰⁴ is an apocalyptic number.

It is an amenable number.

192904 is a deficient number, since it is larger than the sum of its proper divisors (168806).

192904 is a wasteful number, since it uses less digits than its factorization.

192904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24119 (or 24115 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 192904 is about 439.2083787908. The cubic root of 192904 is about 57.7803823064.

The spelling of 192904 in words is "one hundred ninety-two thousand, nine hundred four".