303428285 has 8 divisors (see below), whose sum is σ = 366772536. Its totient is φ = 240970240.

The previous prime is 303428269. The next prime is 303428297. The reversal of 303428285 is 582824303.

It can be written as a sum of positive squares in 4 ways, for example, as 6724 + 303421561 = 82^2 + 17419^2 .

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

It is not a de Polignac number, because 303428285 - 2⁴ = 303428269 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 220796 + ... + 222165.

It is an arithmetic number, because the mean of its divisors is an integer number (45846567).

Almost surely, 2^303428285 is an apocalyptic number.

It is an amenable number.

303428285 is a deficient number, since it is larger than the sum of its proper divisors (63344251).

303428285 is a wasteful number, since it uses less digits than its factorization.

303428285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443103.

The product of its (nonzero) digits is 46080, while the sum is 35.

The square root of 303428285 is about 17419.1930065661. The cubic root of 303428285 is about 671.9733054931.

The spelling of 303428285 in words is "three hundred three million, four hundred twenty-eight thousand, two hundred eighty-five".