303409942 has 32 divisors (see below), whose sum is σ = 502951680. Its totient is φ = 136133280.

The previous prime is 303409937. The next prime is 303409961. The reversal of 303409942 is 249904303.

303409942 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 303409898 and 303409907.

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 15 ways as a sum of consecutive naturals, for example, 988153 + ... + 988459.

It is an arithmetic number, because the mean of its divisors is an integer number (15717240).

Almost surely, 2^303409942 is an apocalyptic number.

303409942 is a deficient number, since it is larger than the sum of its proper divisors (199541738).

303409942 is a wasteful number, since it uses less digits than its factorization.

303409942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 756.

The product of its (nonzero) digits is 23328, while the sum is 34.

The square root of 303409942 is about 17418.6664816799. Note that the first 3 decimals coincide. The cubic root of 303409942 is about 671.9597643970.

The spelling of 303409942 in words is "three hundred three million, four hundred nine thousand, nine hundred forty-two".