306413805 has 16 divisors (see below), whose sum is σ = 491606784. Its totient is φ = 162972480.

The previous prime is 306413803. The next prime is 306413813. The reversal of 306413805 is 508314603.

It is not a de Polignac number, because 306413805 - 2¹ = 306413803 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (306413803) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22326 + ... + 33335.

It is an arithmetic number, because the mean of its divisors is an integer number (30725424).

Almost surely, 2^306413805 is an apocalyptic number.

It is an amenable number.

306413805 is a deficient number, since it is larger than the sum of its proper divisors (185192979).

306413805 is a wasteful number, since it uses less digits than its factorization.

306413805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56036.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 306413805 is about 17504.6795172034. The cubic root of 306413805 is about 674.1700306555.

The spelling of 306413805 in words is "three hundred six million, four hundred thirteen thousand, eight hundred five".