308468880 has 60 divisors (see below), whose sum is σ = 1035943740. Its totient is φ = 82258176.

The previous prime is 308468863. The next prime is 308468891. The reversal of 308468880 is 88864803.

It can be written as a sum of positive squares in 2 ways, for example, as 215384976 + 93083904 = 14676^2 + 9648^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 213495 + ... + 214934.

It is an arithmetic number, because the mean of its divisors is an integer number (17265729).

Almost surely, 2^308468880 is an apocalyptic number.

308468880 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

308468880 is an abundant number, since it is smaller than the sum of its proper divisors (727474860).

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

308468880 is a wasteful number, since it uses less digits than its factorization.

308468880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428448 (or 428439 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 45.

The square root of 308468880 is about 17563.2821534017. The cubic root of 308468880 is about 675.6738620296.

The spelling of 308468880 in words is "three hundred eight million, four hundred sixty-eight thousand, eight hundred eighty".