197972352 has 48 divisors (see below), whose sum is σ = 569689380. Its totient is φ = 65990400.

The previous prime is 197972351. The next prime is 197972393. The reversal of 197972352 is 253279791.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 197972298 and 197972307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197972351) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 84774 + ... + 87077.

Almost surely, 2^197972352 is an apocalyptic number.

197972352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

197972352 is an abundant number, since it is smaller than the sum of its proper divisors (371717028).

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

197972352 is a wasteful number, since it uses less digits than its factorization.

197972352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171871 (or 171856 counting only the distinct ones).

The product of its digits is 238140, while the sum is 45.

The square root of 197972352 is about 14070.2648162712. The cubic root of 197972352 is about 582.8205381527.

The spelling of 197972352 in words is "one hundred ninety-seven million, nine hundred seventy-two thousand, three hundred fifty-two".