305421414 has 16 divisors (see below), whose sum is σ = 611014320. Its totient is φ = 101778560.

The previous prime is 305421397. The next prime is 305421427. The reversal of 305421414 is 414124503.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36802 + ... + 44330.

It is an arithmetic number, because the mean of its divisors is an integer number (38188395).

Almost surely, 2^305421414 is an apocalyptic number.

305421414 is an abundant number, since it is smaller than the sum of its proper divisors (305592906).

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

305421414 is a wasteful number, since it uses less digits than its factorization.

305421414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14295.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 305421414 is about 17476.3100796478. The cubic root of 305421414 is about 673.4414256969.

Adding to 305421414 its reverse (414124503), we get a palindrome (719545917).

The spelling of 305421414 in words is "three hundred five million, four hundred twenty-one thousand, four hundred fourteen".