302428 has 18 divisors (see below), whose sum is σ = 616056. Its totient is φ = 129528.

The previous prime is 302417. The next prime is 302429. The reversal of 302428 is 824203.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302429) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 576 + ... + 967.

2³⁰²⁴²⁸ is an apocalyptic number.

It is an amenable number.

302428 is an abundant number, since it is smaller than the sum of its proper divisors (313628).

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

302428 is a wasteful number, since it uses less digits than its factorization.

302428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1561 (or 1552 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 302428 is about 549.9345415593. The cubic root of 302428 is about 67.1234081071.

The spelling of 302428 in words is "three hundred two thousand, four hundred twenty-eight".