303942 has 16 divisors (see below), whose sum is σ = 613440. Its totient is φ = 100392.

The previous prime is 303937. The next prime is 303959. The reversal of 303942 is 249303.

303942 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 933 + ... + 1215.

It is an arithmetic number, because the mean of its divisors is an integer number (38340).

2³⁰³⁹⁴² is an apocalyptic number.

303942 is an abundant number, since it is smaller than the sum of its proper divisors (309498).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

303942 is a wasteful number, since it uses less digits than its factorization.

303942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 303942 is about 551.3093505465. The cubic root of 303942 is about 67.2352316672.

Adding to 303942 its product of nonzero digits (648), we get a triangular number (304590 = T₇₈₀).

It can be divided in two parts, 3039 and 42, that added together give a triangular number (3081 = T₇₈).

The spelling of 303942 in words is "three hundred three thousand, nine hundred forty-two".