306406860 has 24 divisors (see below), whose sum is σ = 857939376. Its totient is φ = 81708480.

The previous prime is 306406853. The next prime is 306406889. The reversal of 306406860 is 68604603.

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, 2553331 + ... + 2553450.

It is an arithmetic number, because the mean of its divisors is an integer number (35747474).

Almost surely, 2^306406860 is an apocalyptic number.

306406860 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

306406860 is an abundant number, since it is smaller than the sum of its proper divisors (551532516).

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

306406860 is a wasteful number, since it uses less digits than its factorization.

306406860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5106793 (or 5106791 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 306406860 is about 17504.4811405537. The cubic root of 306406860 is about 674.1649371663.

The spelling of 306406860 in words is "three hundred six million, four hundred six thousand, eight hundred sixty".