197916498 has 48 divisors (see below), whose sum is σ = 464569560. Its totient is φ = 60532992.

The previous prime is 197916479. The next prime is 197916517. The reversal of 197916498 is 894619791.

It is an interprime number because it is at equal distance from previous prime (197916479) and next prime (197916517).

It can be written as a sum of positive squares in 4 ways, for example, as 186240609 + 11675889 = 13647^2 + 3417^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38038 + ... + 42926.

Almost surely, 2^197916498 is an apocalyptic number.

197916498 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 197916498, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (232284780).

197916498 is an abundant number, since it is smaller than the sum of its proper divisors (266653062).

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

197916498 is a wasteful number, since it uses less digits than its factorization.

197916498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5083 (or 5080 counting only the distinct ones).

The product of its digits is 979776, while the sum is 54.

The square root of 197916498 is about 14068.2798522065. The cubic root of 197916498 is about 582.7657225520.

The spelling of 197916498 in words is "one hundred ninety-seven million, nine hundred sixteen thousand, four hundred ninety-eight".