197589652 has 12 divisors (see below), whose sum is σ = 372380596. Its totient is φ = 91195200.

The previous prime is 197589649. The next prime is 197589661. The reversal of 197589652 is 256985791.

It can be written as a sum of positive squares in 2 ways, for example, as 92813956 + 104775696 = 9634^2 + 10236^2 .

It is a super-2 number, since 2×197589652² = 78083341154962208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (52), and also a Moran number because the ratio is a prime number: 3799801 = 197589652 / (1 + 9 + 7 + 5 + 8 + 9 + 6 + 5 + 2).

It is a self number, because there is not a number n which added to its sum of digits gives 197589652.

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, 1899849 + ... + 1899952.

Almost surely, 2^197589652 is an apocalyptic number.

It is an amenable number.

197589652 is a deficient number, since it is larger than the sum of its proper divisors (174790944).

197589652 is a wasteful number, since it uses less digits than its factorization.

197589652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3799818 (or 3799816 counting only the distinct ones).

The product of its digits is 1360800, while the sum is 52.

The square root of 197589652 is about 14056.6586356787. The cubic root of 197589652 is about 582.4447461205. Note that the first 3 decimals are identical.

The spelling of 197589652 in words is "one hundred ninety-seven million, five hundred eighty-nine thousand, six hundred fifty-two".