306466421 has 8 divisors (see below), whose sum is σ = 322959744. Its totient is φ = 290237200.

The previous prime is 306466417. The next prime is 306466439. The reversal of 306466421 is 124664603.

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 306466421 - 2² = 306466417 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (306466441) by changing a digit.

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, 63641 + ... + 68286.

It is an arithmetic number, because the mean of its divisors is an integer number (40369968).

Almost surely, 2^306466421 is an apocalyptic number.

It is an amenable number.

306466421 is a deficient number, since it is larger than the sum of its proper divisors (16493323).

306466421 is a wasteful number, since it uses less digits than its factorization.

306466421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132051.

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 306466421 is about 17506.1823650961. The cubic root of 306466421 is about 674.2086169285.

The spelling of 306466421 in words is "three hundred six million, four hundred sixty-six thousand, four hundred twenty-one".