195698340 has 72 divisors (see below), whose sum is σ = 594904128. Its totient is φ = 52073280.

The previous prime is 195698323. The next prime is 195698341. The reversal of 195698340 is 43896591.

It is a happy number.

195698340 is a `hidden beast` number, since 1 + 9 + 569 + 83 + 4 + 0 = 666.

195698340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 (195698341) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 112719 + ... + 114441.

Almost surely, 2^195698340 is an apocalyptic number.

195698340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

195698340 is an abundant number, since it is smaller than the sum of its proper divisors (399205788).

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

195698340 is a wasteful number, since it uses less digits than its factorization.

195698340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2369 (or 2364 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The square root of 195698340 is about 13989.2222800269. Note that the first 4 decimals coincide. The cubic root of 195698340 is about 580.5804138257.

The spelling of 195698340 in words is "one hundred ninety-five million, six hundred ninety-eight thousand, three hundred forty".