195408705 has 16 divisors (see below), whose sum is σ = 312943104. Its totient is φ = 104121600.

The previous prime is 195408701. The next prime is 195408739. The reversal of 195408705 is 507804591.

195408705 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 195408705 - 2² = 195408701 is a prime.

It is not an unprimeable number, because it can be changed into a prime (195408701) 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, 12592 + ... + 23438.

It is an arithmetic number, because the mean of its divisors is an integer number (19558944).

Almost surely, 2^195408705 is an apocalyptic number.

195408705 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

195408705 is a deficient number, since it is larger than the sum of its proper divisors (117534399).

195408705 is a wasteful number, since it uses less digits than its factorization.

195408705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12056.

The product of its (nonzero) digits is 50400, while the sum is 39.

The square root of 195408705 is about 13978.8663703463. The cubic root of 195408705 is about 580.2938512962.

The spelling of 195408705 in words is "one hundred ninety-five million, four hundred eight thousand, seven hundred five".