197828580 has 24 divisors (see below), whose sum is σ = 553920192. Its totient is φ = 52754272.

The previous prime is 197828563. The next prime is 197828581. The reversal of 197828580 is 85828791.

It is a super-2 number, since 2×197828580² = 78272294129632800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (197828581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1648512 + ... + 1648631.

It is an arithmetic number, because the mean of its divisors is an integer number (23080008).

Almost surely, 2^197828580 is an apocalyptic number.

197828580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

197828580 is an abundant number, since it is smaller than the sum of its proper divisors (356091612).

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

197828580 is a wasteful number, since it uses less digits than its factorization.

197828580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3297155 (or 3297153 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 48.

The square root of 197828580 is about 14065.1548160694. The cubic root of 197828580 is about 582.6794181664.

The spelling of 197828580 in words is "one hundred ninety-seven million, eight hundred twenty-eight thousand, five hundred eighty".