302479 has 4 divisors (see below), whose sum is σ = 304920. Its totient is φ = 300040.

The previous prime is 302459. The next prime is 302483. The reversal of 302479 is 974203.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 974203 = 677 ⋅1439.

It is a cyclic number.

It is not a de Polignac number, because 302479 - 2¹¹ = 300431 is a prime.

It is a Duffinian number.

302479 is a lucky 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 pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1024 + ... + 1285.

It is an arithmetic number, because the mean of its divisors is an integer number (76230).

2³⁰²⁴⁷⁹ is an apocalyptic number.

302479 is a deficient number, since it is larger than the sum of its proper divisors (2441).

302479 is a wasteful number, since it uses less digits than its factorization.

302479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2440.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 302479 is about 549.9809087596. The cubic root of 302479 is about 67.1271810177.

The spelling of 302479 in words is "three hundred two thousand, four hundred seventy-nine".