302842 has 8 divisors (see below), whose sum is σ = 462996. Its totient is φ = 148512.

The previous prime is 302837. The next prime is 302843. The reversal of 302842 is 248203.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 290521 + 12321 = 539^2 + 111^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (302843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1323 + ... + 1534.

2³⁰²⁸⁴² is an apocalyptic number.

302842 is a deficient number, since it is larger than the sum of its proper divisors (160154).

302842 is a wasteful number, since it uses less digits than its factorization.

302842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2912.

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

The square root of 302842 is about 550.3108212638. The cubic root of 302842 is about 67.1540230196.

The spelling of 302842 in words is "three hundred two thousand, eight hundred forty-two".