197358930 has 80 divisors (see below), whose sum is σ = 534219840. Its totient is φ = 52278048.

The previous prime is 197358911. The next prime is 197358943. The reversal of 197358930 is 39853791.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 134541 + ... + 135999.

It is an arithmetic number, because the mean of its divisors is an integer number (6677748).

Almost surely, 2^197358930 is an apocalyptic number.

197358930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 197358930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (267109920).

197358930 is an abundant number, since it is smaller than the sum of its proper divisors (336860910).

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

197358930 is a wasteful number, since it uses less digits than its factorization.

197358930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1645 (or 1636 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 45.

The square root of 197358930 is about 14048.4493806256. The cubic root of 197358930 is about 582.2179542907.

The spelling of 197358930 in words is "one hundred ninety-seven million, three hundred fifty-eight thousand, nine hundred thirty".