197812496 has 40 divisors (see below), whose sum is σ = 461071680. Its totient is φ = 80313984.

The previous prime is 197812469. The next prime is 197812499. The reversal of 197812496 is 694218791.

It is a self number, because there is not a number n which added to its sum of digits gives 197812496.

It is not an unprimeable number, because it can be changed into a prime (197812499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44351 + ... + 48606.

It is an arithmetic number, because the mean of its divisors is an integer number (11526792).

Almost surely, 2^197812496 is an apocalyptic number.

197812496 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

197812496 is an abundant number, since it is smaller than the sum of its proper divisors (263259184).

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

197812496 is a wasteful number, since it uses less digits than its factorization.

197812496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92991 (or 92985 counting only the distinct ones).

The product of its digits is 217728, while the sum is 47.

The square root of 197812496 is about 14064.5830368340. The cubic root of 197812496 is about 582.6636265995.

The spelling of 197812496 in words is "one hundred ninety-seven million, eight hundred twelve thousand, four hundred ninety-six".