305385396 has 12 divisors (see below), whose sum is σ = 712565952. Its totient is φ = 101795128.

The previous prime is 305385361. The next prime is 305385407. The reversal of 305385396 is 693583503.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12724380 + ... + 12724403.

It is an arithmetic number, because the mean of its divisors is an integer number (59380496).

Almost surely, 2^305385396 is an apocalyptic number.

It is an amenable number.

305385396 is an abundant number, since it is smaller than the sum of its proper divisors (407180556).

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

305385396 is a wasteful number, since it uses less digits than its factorization.

305385396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25448790 (or 25448788 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 42.

The square root of 305385396 is about 17475.2795685792. The cubic root of 305385396 is about 673.4149519291.

The spelling of 305385396 in words is "three hundred five million, three hundred eighty-five thousand, three hundred ninety-six".