308486960 has 40 divisors (see below), whose sum is σ = 722010336. Its totient is φ = 122572800.

The previous prime is 308486933. The next prime is 308486963. The reversal of 308486960 is 69684803.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (308486963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 689 + ... + 24848.

Almost surely, 2^308486960 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 308486960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (361005168).

308486960 is an abundant number, since it is smaller than the sum of its proper divisors (413523376).

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

308486960 is a wasteful number, since it uses less digits than its factorization.

308486960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25701 (or 25695 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 44.

The square root of 308486960 is about 17563.7968560332. The cubic root of 308486960 is about 675.6870626532.

The spelling of 308486960 in words is "three hundred eight million, four hundred eighty-six thousand, nine hundred sixty".