302404421 has 8 divisors (see below), whose sum is σ = 331025184. Its totient is φ = 273971920.

The previous prime is 302404357. The next prime is 302404429. The reversal of 302404421 is 124404203.

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

It is a cyclic number.

It is not a de Polignac number, because 302404421 - 2⁶ = 302404357 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 302404393 and 302404402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302404429) 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 7 ways as a sum of consecutive naturals, for example, 43691 + ... + 50136.

It is an arithmetic number, because the mean of its divisors is an integer number (41378148).

Almost surely, 2^302404421 is an apocalyptic number.

It is an amenable number.

302404421 is a deficient number, since it is larger than the sum of its proper divisors (28620763).

302404421 is a wasteful number, since it uses less digits than its factorization.

302404421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94131.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 302404421 is about 17389.7792107893. The cubic root of 302404421 is about 671.2166362143.

Adding to 302404421 its reverse (124404203), we get a palindrome (426808624).

The spelling of 302404421 in words is "three hundred two million, four hundred four thousand, four hundred twenty-one".