192478442 has 32 divisors (see below), whose sum is σ = 327849984. Its totient is φ = 84124800.

The previous prime is 192478409. The next prime is 192478453. The reversal of 192478442 is 244874291.

It is a super-4 number, since 4×192478442⁴ (a number of 34 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 192478442.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35342 + ... + 40422.

It is an arithmetic number, because the mean of its divisors is an integer number (10245312).

Almost surely, 2^192478442 is an apocalyptic number.

192478442 is a deficient number, since it is larger than the sum of its proper divisors (135371542).

192478442 is a wasteful number, since it uses less digits than its factorization.

192478442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5174.

The product of its digits is 129024, while the sum is 41.

The square root of 192478442 is about 13873.6600073665. The cubic root of 192478442 is about 577.3786200676.

The spelling of 192478442 in words is "one hundred ninety-two million, four hundred seventy-eight thousand, four hundred forty-two".