308474144 has 48 divisors (see below), whose sum is σ = 670965120. Its totient is φ = 138428160.

The previous prime is 308474123. The next prime is 308474167. The reversal of 308474144 is 441474803.

It is an unprimeable number.

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, 22262 + ... + 33354.

It is an arithmetic number, because the mean of its divisors is an integer number (13978440).

Almost surely, 2^308474144 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 308474144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (335482560).

308474144 is an abundant number, since it is smaller than the sum of its proper divisors (362490976).

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

308474144 is a wasteful number, since it uses less digits than its factorization.

308474144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11193 (or 11185 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 35.

The square root of 308474144 is about 17563.4320108571. The cubic root of 308474144 is about 675.6777054502.

The spelling of 308474144 in words is "three hundred eight million, four hundred seventy-four thousand, one hundred forty-four".