302830 has 16 divisors (see below), whose sum is σ = 594864. Its totient is φ = 110080.

The previous prime is 302801. The next prime is 302831. The reversal of 302830 is 38203.

It is a happy number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302831) by changing a digit.

302830 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1267 + ... + 1486.

It is an arithmetic number, because the mean of its divisors is an integer number (37179).

2³⁰²⁸³⁰ is an apocalyptic number.

302830 is a deficient number, since it is larger than the sum of its proper divisors (292034).

302830 is a wasteful number, since it uses less digits than its factorization.

302830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2771.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 302830 is about 550.2999182264. The cubic root of 302830 is about 67.1531360236.

The spelling of 302830 in words is "three hundred two thousand, eight hundred thirty".