197853892 has 12 divisors (see below), whose sum is σ = 358183980. Its totient is φ = 95515616.

The previous prime is 197853829. The next prime is 197853919. The reversal of 197853892 is 298358791.

It can be written as a sum of positive squares in 2 ways, for example, as 170459136 + 27394756 = 13056^2 + 5234^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 852703 + ... + 852934.

It is an arithmetic number, because the mean of its divisors is an integer number (29848665).

Almost surely, 2^197853892 is an apocalyptic number.

It is an amenable number.

197853892 is a deficient number, since it is larger than the sum of its proper divisors (160330088).

197853892 is a wasteful number, since it uses less digits than its factorization.

197853892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1705670 (or 1705668 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 52.

The square root of 197853892 is about 14066.0545996381. The cubic root of 197853892 is about 582.7042682200.

The spelling of 197853892 in words is "one hundred ninety-seven million, eight hundred fifty-three thousand, eight hundred ninety-two".