197952146 has 32 divisors (see below), whose sum is σ = 366879360. Its totient is φ = 78195456.

The previous prime is 197952121. The next prime is 197952169. The reversal of 197952146 is 641259791.

It is a junction number, because it is equal to n+sod(n) for n = 197952097 and 197952106.

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, 215 + ... + 19898.

It is an arithmetic number, because the mean of its divisors is an integer number (11464980).

Almost surely, 2^197952146 is an apocalyptic number.

197952146 is a deficient number, since it is larger than the sum of its proper divisors (168927214).

197952146 is a wasteful number, since it uses less digits than its factorization.

197952146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20178.

The product of its digits is 136080, while the sum is 44.

The square root of 197952146 is about 14069.5467588690. The cubic root of 197952146 is about 582.8007089992.

The spelling of 197952146 in words is "one hundred ninety-seven million, nine hundred fifty-two thousand, one hundred forty-six".