197290944 has 224 divisors, whose sum is σ = 624230400. Its totient is φ = 60963840.

The previous prime is 197290937. The next prime is 197290991. The reversal of 197290944 is 449092791.

It is a happy number.

It is a super-2 number, since 2×197290944² = 77847433168822272, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 197290944.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1553409 + ... + 1553535.

Almost surely, 2^197290944 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 197290944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (312115200).

197290944 is an abundant number, since it is smaller than the sum of its proper divisors (426939456).

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

197290944 is a wasteful number, since it uses less digits than its factorization.

197290944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208 (or 192 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The square root of 197290944 is about 14046.0294745526. The cubic root of 197290944 is about 582.1510926665.

The spelling of 197290944 in words is "one hundred ninety-seven million, two hundred ninety thousand, nine hundred forty-four".