197640948 has 12 divisors (see below), whose sum is σ = 461162240. Its totient is φ = 65880312.

The previous prime is 197640917. The next prime is 197640977. The reversal of 197640948 is 849046791.

197640948 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 197640897 and 197640906.

It is a congruent number.

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, 8235028 + ... + 8235051.

Almost surely, 2^197640948 is an apocalyptic number.

It is an amenable number.

197640948 is an abundant number, since it is smaller than the sum of its proper divisors (263521292).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

197640948 is a wasteful number, since it uses less digits than its factorization.

197640948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16470086 (or 16470084 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 48.

The square root of 197640948 is about 14058.4831329699. The cubic root of 197640948 is about 582.4951443411.

It can be divided in two parts, 1976 and 40948, that added together give a palindrome (42924).

The spelling of 197640948 in words is "one hundred ninety-seven million, six hundred forty thousand, nine hundred forty-eight".