303240985 has 8 divisors (see below), whose sum is σ = 385294536. Its totient is φ = 228322560.

The previous prime is 303240941. The next prime is 303241073. The reversal of 303240985 is 589042303.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2322576 + 300918409 = 1524^2 + 17347^2 .

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

It is not a de Polignac number, because 303240985 - 2¹⁹ = 302716697 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 303240985.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1783686 + ... + 1783855.

It is an arithmetic number, because the mean of its divisors is an integer number (48161817).

Almost surely, 2^303240985 is an apocalyptic number.

It is an amenable number.

303240985 is a deficient number, since it is larger than the sum of its proper divisors (82053551).

303240985 is a wasteful number, since it uses less digits than its factorization.

303240985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3567563.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 303240985 is about 17413.8159229963. The cubic root of 303240985 is about 671.8350119630.

The spelling of 303240985 in words is "three hundred three million, two hundred forty thousand, nine hundred eighty-five".