197494056 has 96 divisors (see below), whose sum is σ = 581318400. Its totient is φ = 60341760.

The previous prime is 197494051. The next prime is 197494061. The reversal of 197494056 is 650494791.

It is an interprime number because it is at equal distance from previous prime (197494051) and next prime (197494061).

It is a super-2 number, since 2×197494056² = 78007804310662272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (197494051) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40080 + ... + 44736.

It is an arithmetic number, because the mean of its divisors is an integer number (6055400).

Almost surely, 2^197494056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 197494056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (290659200).

197494056 is an abundant number, since it is smaller than the sum of its proper divisors (383824344).

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

197494056 is a wasteful number, since it uses less digits than its factorization.

197494056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4719 (or 4712 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 197494056 is about 14053.2578429345. The cubic root of 197494056 is about 582.3507999561.

The spelling of 197494056 in words is "one hundred ninety-seven million, four hundred ninety-four thousand, fifty-six".