197804080 has 20 divisors (see below), whose sum is σ = 459894672. Its totient is φ = 79121600.

The previous prime is 197804069. The next prime is 197804081. The reversal of 197804080 is 80408791.

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (197804081) 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, 1236196 + ... + 1236355.

Almost surely, 2^197804080 is an apocalyptic number.

197804080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

197804080 is an abundant number, since it is smaller than the sum of its proper divisors (262090592).

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

197804080 is a wasteful number, since it uses less digits than its factorization.

197804080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2472564 (or 2472558 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 37.

The square root of 197804080 is about 14064.2838424144. The cubic root of 197804080 is about 582.6553632749.

The spelling of 197804080 in words is "one hundred ninety-seven million, eight hundred four thousand, eighty".