196979130 has 96 divisors (see below), whose sum is σ = 547088256. Its totient is φ = 49053312.

The previous prime is 196979117. The next prime is 196979131. The reversal of 196979130 is 31979691.

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

It is not an unprimeable number, because it can be changed into a prime (196979131) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 87904 + ... + 90116.

It is an arithmetic number, because the mean of its divisors is an integer number (5698836).

Almost surely, 2^196979130 is an apocalyptic number.

196979130 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 196979130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (273544128).

196979130 is an abundant number, since it is smaller than the sum of its proper divisors (350109126).

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

196979130 is a wasteful number, since it uses less digits than its factorization.

196979130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2292 (or 2289 counting only the distinct ones).

The product of its (nonzero) digits is 91854, while the sum is 45.

The square root of 196979130 is about 14034.9253649601. The cubic root of 196979130 is about 581.8442386161.

The spelling of 196979130 in words is "one hundred ninety-six million, nine hundred seventy-nine thousand, one hundred thirty".