305146806 has 16 divisors (see below), whose sum is σ = 611755200. Its totient is φ = 101472008.

The previous prime is 305146781. The next prime is 305146823. The reversal of 305146806 is 608641503.

It is a super-2 number, since 2×305146806² = 186229146424003272, which contains 22 as substring.

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, 58176 + ... + 63203.

It is an arithmetic number, because the mean of its divisors is an integer number (38234700).

Almost surely, 2^305146806 is an apocalyptic number.

305146806 is an abundant number, since it is smaller than the sum of its proper divisors (306608394).

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

305146806 is a wasteful number, since it uses less digits than its factorization.

305146806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121803.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 305146806 is about 17468.4517344841. The cubic root of 305146806 is about 673.2395321304.

The spelling of 305146806 in words is "three hundred five million, one hundred forty-six thousand, eight hundred six".