308114928 has 100 divisors (see below), whose sum is σ = 972889368. Its totient is φ = 93363840.

The previous prime is 308114899. The next prime is 308114929. The reversal of 308114928 is 829411803.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 308114892 and 308114901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (308114929) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3450 + ... + 25062.

Almost surely, 2^308114928 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 308114928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (486444684).

308114928 is an abundant number, since it is smaller than the sum of its proper divisors (664774440).

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

308114928 is a wasteful number, since it uses less digits than its factorization.

308114928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21644 (or 21629 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 308114928 is about 17553.2027846772. The cubic root of 308114928 is about 675.4153295792.

The spelling of 308114928 in words is "three hundred eight million, one hundred fourteen thousand, nine hundred twenty-eight".