303430 has 16 divisors (see below), whose sum is σ = 575280. Its totient is φ = 114912.

The previous prime is 303421. The next prime is 303431. The reversal of 303430 is 34303.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 303430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (303431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 609 + ... + 988.

It is an arithmetic number, because the mean of its divisors is an integer number (35955).

2³⁰³⁴³⁰ is an apocalyptic number.

303430 is a deficient number, since it is larger than the sum of its proper divisors (271850).

303430 is a wasteful number, since it uses less digits than its factorization.

303430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1623.

The product of its (nonzero) digits is 108, while the sum is 13.

The square root of 303430 is about 550.8448057303. The cubic root of 303430 is about 67.1974571506.

Adding to 303430 its reverse (34303), we get a palindrome (337733).

The spelling of 303430 in words is "three hundred three thousand, four hundred thirty".