197947248 has 20 divisors (see below), whose sum is σ = 511363848. Its totient is φ = 65982400.

The previous prime is 197947241. The next prime is 197947261. The reversal of 197947248 is 842749791.

It is a super-2 number, since 2×197947248² = 78366225981547008, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 197947248.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197947241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2061903 + ... + 2061998.

Almost surely, 2^197947248 is an apocalyptic number.

It is an amenable number.

197947248 is an abundant number, since it is smaller than the sum of its proper divisors (313416600).

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

197947248 is a wasteful number, since it uses less digits than its factorization.

197947248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4123912 (or 4123906 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 51.

The square root of 197947248 is about 14069.3726939050. The cubic root of 197947248 is about 582.7959021448.

The spelling of 197947248 in words is "one hundred ninety-seven million, nine hundred forty-seven thousand, two hundred forty-eight".