303428630 has 16 divisors (see below), whose sum is σ = 548581680. Its totient is φ = 120835872.

The previous prime is 303428599. The next prime is 303428743. The reversal of 303428630 is 36824303.

It is a junction number, because it is equal to n+sod(n) for n = 303428593 and 303428602.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64565 + ... + 69104.

It is an arithmetic number, because the mean of its divisors is an integer number (34286355).

Almost surely, 2^303428630 is an apocalyptic number.

303428630 is a deficient number, since it is larger than the sum of its proper divisors (245153050).

303428630 is a wasteful number, since it uses less digits than its factorization.

303428630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133903.

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 303428630 is about 17419.2029094330. The cubic root of 303428630 is about 671.9735601724.

The spelling of 303428630 in words is "three hundred three million, four hundred twenty-eight thousand, six hundred thirty".