197869444 has 24 divisors (see below), whose sum is σ = 358003800. Its totient is φ = 95627520.

The previous prime is 197869433. The next prime is 197869453. The reversal of 197869444 is 444968791.

It can be written as a sum of positive squares in 4 ways, for example, as 129600 + 197739844 = 360^2 + 14062^2 .

It is a junction number, because it is equal to n+sod(n) for n = 197869391 and 197869400.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12342 + ... + 23410.

It is an arithmetic number, because the mean of its divisors is an integer number (14916825).

Almost surely, 2^197869444 is an apocalyptic number.

It is an amenable number.

197869444 is a deficient number, since it is larger than the sum of its proper divisors (160134356).

197869444 is a wasteful number, since it uses less digits than its factorization.

197869444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11223 (or 11221 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 52.

The square root of 197869444 is about 14066.6074090379. The cubic root of 197869444 is about 582.7195353434.

The spelling of 197869444 in words is "one hundred ninety-seven million, eight hundred sixty-nine thousand, four hundred forty-four".