306800398 has 4 divisors (see below), whose sum is σ = 460200600. Its totient is φ = 153400198.

The previous prime is 306800363. The next prime is 306800401. The reversal of 306800398 is 893008603.

It is a happy number.

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

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 as a sum of consecutive naturals, namely, 76700098 + ... + 76700101.

It is an arithmetic number, because the mean of its divisors is an integer number (115050150).

Almost surely, 2^306800398 is an apocalyptic number.

306800398 is a deficient number, since it is larger than the sum of its proper divisors (153400202).

306800398 is a wasteful number, since it uses less digits than its factorization.

306800398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153400201.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 306800398 is about 17515.7185978766. The cubic root of 306800398 is about 674.4534381236.

The spelling of 306800398 in words is "three hundred six million, eight hundred thousand, three hundred ninety-eight".