303842 has 16 divisors (see below), whose sum is σ = 568512. Its totient is φ = 118320.

The previous prime is 303839. The next prime is 303859. The reversal of 303842 is 248303.

303842 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a d-powerful number, because it can be written as 3² + 0 + 8⁵ + 3⁶ + 4⁹ + 2¹³ .

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, 833 + ... + 1140.

It is an arithmetic number, because the mean of its divisors is an integer number (35532).

2³⁰³⁸⁴² is an apocalyptic number.

303842 is a deficient number, since it is larger than the sum of its proper divisors (264670).

303842 is a wasteful number, since it uses less digits than its factorization.

303842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1993.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 303842 is about 551.2186499022. The cubic root of 303842 is about 67.2278571674.

The spelling of 303842 in words is "three hundred three thousand, eight hundred forty-two".