302421 has 8 divisors (see below), whose sum is σ = 460864. Its totient is φ = 172800.

The previous prime is 302417. The next prime is 302429. The reversal of 302421 is 124203.

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

It is not a de Polignac number, because 302421 - 2² = 302417 is a prime.

It is a super-2 number, since 2×302421² = 182916922482, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

302421 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 302397 and 302406.

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 7 ways as a sum of consecutive naturals, for example, 7180 + ... + 7221.

It is an arithmetic number, because the mean of its divisors is an integer number (57608).

2³⁰²⁴²¹ is an apocalyptic number.

It is an amenable number.

302421 is a deficient number, since it is larger than the sum of its proper divisors (158443).

302421 is a wasteful number, since it uses less digits than its factorization.

302421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14411.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 302421 is about 549.9281771286. The cubic root of 302421 is about 67.1228902236.

Adding to 302421 its reverse (124203), we get a palindrome (426624).

It can be divided in two parts, 3024 and 21, that multiplied together give a square (63504 = 252²).

The spelling of 302421 in words is "three hundred two thousand, four hundred twenty-one", and thus it is an iban number.