306881364 has 72 divisors (see below), whose sum is σ = 774819360. Its totient is φ = 94415552.

The previous prime is 306881353. The next prime is 306881381. The reversal of 306881364 is 463188603.

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, 183259 + ... + 184925.

It is an arithmetic number, because the mean of its divisors is an integer number (10761380).

Almost surely, 2^306881364 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 306881364, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (387409680).

306881364 is an abundant number, since it is smaller than the sum of its proper divisors (467937996).

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

306881364 is a wasteful number, since it uses less digits than its factorization.

306881364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1749 (or 1724 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 306881364 is about 17518.0296837287. The cubic root of 306881364 is about 674.5127633335.

The spelling of 306881364 in words is "three hundred six million, eight hundred eighty-one thousand, three hundred sixty-four".