306478098 has 12 divisors (see below), whose sum is σ = 664035918. Its totient is φ = 102159360.

The previous prime is 306478097. The next prime is 306478099. The reversal of 306478098 is 890874603.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (306478097) and next prime (306478099).

It can be written as a sum of positive squares in only one way, i.e., 293539689 + 12938409 = 17133^2 + 3597^2 .

It is not an unprimeable number, because it can be changed into a prime (306478093) 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 5 ways as a sum of consecutive naturals, for example, 8513263 + ... + 8513298.

Almost surely, 2^306478098 is an apocalyptic number.

306478098 is an abundant number, since it is smaller than the sum of its proper divisors (357557820).

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

306478098 is a wasteful number, since it uses less digits than its factorization.

306478098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17026569 (or 17026566 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 306478098 is about 17506.5158726687. The cubic root of 306478098 is about 674.2171797307.

The spelling of 306478098 in words is "three hundred six million, four hundred seventy-eight thousand, ninety-eight".