197192748 has 24 divisors (see below), whose sum is σ = 467661040. Its totient is φ = 64653120.

The previous prime is 197192747. The next prime is 197192771. The reversal of 197192748 is 847291791.

It is a junction number, because it is equal to n+sod(n) for n = 197192697 and 197192706.

It is not an unprimeable number, because it can be changed into a prime (197192747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133963 + ... + 135426.

Almost surely, 2^197192748 is an apocalyptic number.

It is an amenable number.

197192748 is an abundant number, since it is smaller than the sum of its proper divisors (270468292).

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

197192748 is a wasteful number, since it uses less digits than its factorization.

197192748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269457 (or 269455 counting only the distinct ones).

The product of its digits is 254016, while the sum is 48.

The square root of 197192748 is about 14042.5335320946. The cubic root of 197192748 is about 582.0544935454.

The spelling of 197192748 in words is "one hundred ninety-seven million, one hundred ninety-two thousand, seven hundred forty-eight".