195076649 has 16 divisors (see below), whose sum is σ = 218246400. Its totient is φ = 173478144.

The previous prime is 195076633. The next prime is 195076657. The reversal of 195076649 is 946670591.

It is a cyclic number.

It is not a de Polignac number, because 195076649 - 2⁴ = 195076633 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (195076619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18962 + ... + 27380.

It is an arithmetic number, because the mean of its divisors is an integer number (13640400).

Almost surely, 2^195076649 is an apocalyptic number.

It is an amenable number.

195076649 is a deficient number, since it is larger than the sum of its proper divisors (23169751).

195076649 is a wasteful number, since it uses less digits than its factorization.

195076649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8512.

The product of its (nonzero) digits is 408240, while the sum is 47.

The square root of 195076649 is about 13966.9842485771. The cubic root of 195076649 is about 579.9649691486.

The spelling of 195076649 in words is "one hundred ninety-five million, seventy-six thousand, six hundred forty-nine".