300428893 has 12 divisors (see below), whose sum is σ = 328018140. Its totient is φ = 274792896.

The previous prime is 300428881. The next prime is 300428897. The reversal of 300428893 is 398824003.

It can be written as a sum of positive squares in 2 ways, for example, as 82482724 + 217946169 = 9082^2 + 14763^2 .

It is not a de Polignac number, because 300428893 - 2⁵ = 300428861 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 (300428897) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3880 + ... + 24817.

It is an arithmetic number, because the mean of its divisors is an integer number (27334845).

Almost surely, 2^300428893 is an apocalyptic number.

It is an amenable number.

300428893 is a deficient number, since it is larger than the sum of its proper divisors (27589247).

300428893 is a wasteful number, since it uses less digits than its factorization.

300428893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28764 (or 28745 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 300428893 is about 17332.8847281692. The cubic root of 300428893 is about 669.7518149608.

The spelling of 300428893 in words is "three hundred million, four hundred twenty-eight thousand, eight hundred ninety-three".