197874460 has 48 divisors (see below), whose sum is σ = 480936960. Its totient is φ = 66980160.

The previous prime is 197874437. The next prime is 197874499. The reversal of 197874460 is 64478791.

197874460 = T₄₅₄ + T₄₅₅ + ... + T₁₀₈₅.

It is a self number, because there is not a number n which added to its sum of digits gives 197874460.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2115 + ... + 20005.

It is an arithmetic number, because the mean of its divisors is an integer number (10019520).

Almost surely, 2^197874460 is an apocalyptic number.

197874460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 197874460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (240468480).

197874460 is an abundant number, since it is smaller than the sum of its proper divisors (283062500).

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

197874460 is a wasteful number, since it uses less digits than its factorization.

197874460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17986 (or 17984 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 46.

The square root of 197874460 is about 14066.7857024979. The cubic root of 197874460 is about 582.7244592913.

The spelling of 197874460 in words is "one hundred ninety-seven million, eight hundred seventy-four thousand, four hundred sixty".