10308816 has 120 divisors (see below), whose sum is σ = 34491840. Its totient is φ = 2939328.

The previous prime is 10308803. The next prime is 10308847. The reversal of 10308816 is 61880301.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 10308816.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 20925 + ... + 21411.

It is an arithmetic number, because the mean of its divisors is an integer number (287432).

Almost surely, 2^10308816 is an apocalyptic number.

10308816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10308816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17245920).

10308816 is an abundant number, since it is smaller than the sum of its proper divisors (24183024).

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

10308816 is a wasteful number, since it uses less digits than its factorization.

10308816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518 (or 499 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 10308816 is about 3210.7344954076. The cubic root of 10308816 is about 217.6387699446.

The spelling of 10308816 in words is "ten million, three hundred eight thousand, eight hundred sixteen".