305680536 has 96 divisors (see below), whose sum is σ = 1001838240. Its totient is φ = 82197504.

The previous prime is 305680523. The next prime is 305680549. The reversal of 305680536 is 635086503.

305680536 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (305680523) and next prime (305680549).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 305680536.

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, 9271 + ... + 26406.

It is an arithmetic number, because the mean of its divisors is an integer number (10435815).

Almost surely, 2^305680536 is an apocalyptic number.

305680536 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

305680536 is an abundant number, since it is smaller than the sum of its proper divisors (696157704).

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

305680536 is a wasteful number, since it uses less digits than its factorization.

305680536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35713 (or 35706 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 305680536 is about 17483.7220293621. The cubic root of 305680536 is about 673.6318229145.

The spelling of 305680536 in words is "three hundred five million, six hundred eighty thousand, five hundred thirty-six".