195428701 has 8 divisors (see below), whose sum is σ = 210634200. Its totient is φ = 180247872.

The previous prime is 195428693. The next prime is 195428731. The reversal of 195428701 is 107824591.

It can be written as a sum of positive squares in 4 ways, for example, as 12773476 + 182655225 = 3574^2 + 13515^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 195428701 - 2³ = 195428693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195428731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12375 + ... + 23323.

It is an arithmetic number, because the mean of its divisors is an integer number (26329275).

Almost surely, 2^195428701 is an apocalyptic number.

It is an amenable number.

195428701 is a deficient number, since it is larger than the sum of its proper divisors (15205499).

195428701 is a wasteful number, since it uses less digits than its factorization.

195428701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12335.

The product of its (nonzero) digits is 20160, while the sum is 37.

The square root of 195428701 is about 13979.5815745680. The cubic root of 195428701 is about 580.3136442733.

The spelling of 195428701 in words is "one hundred ninety-five million, four hundred twenty-eight thousand, seven hundred one".