197434080 has 144 divisors (see below), whose sum is σ = 678603744. Its totient is φ = 52270080.

The previous prime is 197434079. The next prime is 197434123. The reversal of 197434080 is 80434791.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

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 23 ways as a sum of consecutive naturals, for example, 240070 + ... + 240890.

It is an arithmetic number, because the mean of its divisors is an integer number (4712526).

Almost surely, 2^197434080 is an apocalyptic number.

197434080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 197434080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (339301872).

197434080 is an abundant number, since it is smaller than the sum of its proper divisors (481169664).

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

197434080 is a wasteful number, since it uses less digits than its factorization.

197434080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1009 (or 998 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 197434080 is about 14051.1237984725. The cubic root of 197434080 is about 582.2918435695.

The spelling of 197434080 in words is "one hundred ninety-seven million, four hundred thirty-four thousand, eighty".