304420087 has 4 divisors (see below), whose sum is σ = 304744536. Its totient is φ = 304095640.

The previous prime is 304420063. The next prime is 304420169. The reversal of 304420087 is 780024403.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 304420087 - 2¹¹ = 304418039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304420687) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160813 + ... + 162694.

It is an arithmetic number, because the mean of its divisors is an integer number (76186134).

Almost surely, 2^304420087 is an apocalyptic number.

304420087 is a deficient number, since it is larger than the sum of its proper divisors (324449).

304420087 is an equidigital number, since it uses as much as digits as its factorization.

304420087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324448.

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 304420087 is about 17447.6384361896. The cubic root of 304420087 is about 672.7046585781.

The spelling of 304420087 in words is "three hundred four million, four hundred twenty thousand, eighty-seven".