195402946 has 8 divisors (see below), whose sum is σ = 293171004. Its totient is φ = 97679280.

The previous prime is 195402943. The next prime is 195402953. The reversal of 195402946 is 649204591.

195402946 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 178089025 + 17313921 = 13345^2 + 4161^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×195402946² = 76364622610957832, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 195402899 and 195402908.

It is not an unprimeable number, because it can be changed into a prime (195402943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4036 + ... + 20176.

Almost surely, 2^195402946 is an apocalyptic number.

195402946 is a deficient number, since it is larger than the sum of its proper divisors (97768058).

195402946 is a wasteful number, since it uses less digits than its factorization.

195402946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22196.

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 195402946 is about 13978.6603793067. The cubic root of 195402946 is about 580.2881505179.

The spelling of 195402946 in words is "one hundred ninety-five million, four hundred two thousand, nine hundred forty-six".