197561342 has 8 divisors (see below), whose sum is σ = 323282232. Its totient is φ = 89800600.

The previous prime is 197561339. The next prime is 197561363. The reversal of 197561342 is 243165791.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 197561296 and 197561305.

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, 4490009 + ... + 4490052.

It is an arithmetic number, because the mean of its divisors is an integer number (40410279).

Almost surely, 2^197561342 is an apocalyptic number.

197561342 is a deficient number, since it is larger than the sum of its proper divisors (125720890).

197561342 is a wasteful number, since it uses less digits than its factorization.

197561342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8980074.

The product of its digits is 45360, while the sum is 38.

The square root of 197561342 is about 14055.6516035366. The cubic root of 197561342 is about 582.4169278649.

The spelling of 197561342 in words is "one hundred ninety-seven million, five hundred sixty-one thousand, three hundred forty-two".