195488761 has 8 divisors (see below), whose sum is σ = 210768320. Its totient is φ = 180243792.

The previous prime is 195488749. The next prime is 195488791. The reversal of 195488761 is 167884591.

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 195488761 - 2⁷ = 195488633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (195488731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3766 + ... + 20128.

It is an arithmetic number, because the mean of its divisors is an integer number (26346040).

Almost surely, 2^195488761 is an apocalyptic number.

It is an amenable number.

195488761 is a deficient number, since it is larger than the sum of its proper divisors (15279559).

195488761 is a wasteful number, since it uses less digits than its factorization.

195488761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17295.

The product of its digits is 483840, while the sum is 49.

The square root of 195488761 is about 13981.7295425137. The cubic root of 195488761 is about 580.3730863570.

It can be divided in two parts, 195488 and 761, that added together give a square (196249 = 443²).

The spelling of 195488761 in words is "one hundred ninety-five million, four hundred eighty-eight thousand, seven hundred sixty-one".