305896061 has 8 divisors (see below), whose sum is σ = 315346560. Its totient is φ = 296587872.

The previous prime is 305896037. The next prime is 305896081. The reversal of 305896061 is 160698503.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-305896061 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 (305896081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31205 + ... + 39818.

It is an arithmetic number, because the mean of its divisors is an integer number (39418320).

Almost surely, 2^305896061 is an apocalyptic number.

It is an amenable number.

305896061 is a deficient number, since it is larger than the sum of its proper divisors (9450499).

305896061 is an equidigital number, since it uses as much as digits as its factorization.

305896061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71155.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 305896061 is about 17489.8845336383. The cubic root of 305896061 is about 673.7901040538.

The spelling of 305896061 in words is "three hundred five million, eight hundred ninety-six thousand, sixty-one".