305397336 has 96 divisors (see below), whose sum is σ = 816102000. Its totient is φ = 95212800.

The previous prime is 305397329. The next prime is 305397373. The reversal of 305397336 is 633793503.

It is a junction number, because it is equal to n+sod(n) for n = 305397294 and 305397303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 874890 + ... + 875238.

Almost surely, 2^305397336 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 305397336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (408051000).

305397336 is an abundant number, since it is smaller than the sum of its proper divisors (510704664).

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

305397336 is a wasteful number, since it uses less digits than its factorization.

305397336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497 (or 474 counting only the distinct ones).

The product of its (nonzero) digits is 153090, while the sum is 39.

The square root of 305397336 is about 17475.6211906759. The cubic root of 305397336 is about 673.4237282380.

The spelling of 305397336 in words is "three hundred five million, three hundred ninety-seven thousand, three hundred thirty-six".