197643344 has 20 divisors (see below), whose sum is σ = 393284724. Its totient is φ = 96150528.

The previous prime is 197643337. The next prime is 197643349. The reversal of 197643344 is 443346791.

197643344 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 70224400 + 127418944 = 8380^2 + 11288^2 .

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197643349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166337 + ... + 167520.

Almost surely, 2^197643344 is an apocalyptic number.

It is an amenable number.

197643344 is a deficient number, since it is larger than the sum of its proper divisors (195641380).

197643344 is a wasteful number, since it uses less digits than its factorization.

197643344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333902 (or 333896 counting only the distinct ones).

The product of its digits is 217728, while the sum is 41.

The square root of 197643344 is about 14058.5683481640. The cubic root of 197643344 is about 582.4974981933.

The spelling of 197643344 in words is "one hundred ninety-seven million, six hundred forty-three thousand, three hundred forty-four".