197498000 has 80 divisors (see below), whose sum is σ = 545810304. Its totient is φ = 67708800.

The previous prime is 197497997. The next prime is 197498003. The reversal of 197498000 is 894791.

It is an interprime number because it is at equal distance from previous prime (197497997) and next prime (197498003).

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (197498003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6947 + ... + 21053.

Almost surely, 2^197498000 is an apocalyptic number.

197498000 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 197498000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (272905152).

197498000 is an abundant number, since it is smaller than the sum of its proper divisors (348312304).

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

197498000 is a wasteful number, since it uses less digits than its factorization.

197498000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14137 (or 14121 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 38.

The square root of 197498000 is about 14053.3981655684. The cubic root of 197498000 is about 582.3546764884.

The spelling of 197498000 in words is "one hundred ninety-seven million, four hundred ninety-eight thousand".