308416 has 28 divisors (see below), whose sum is σ = 629920. Its totient is φ = 149760.

The previous prime is 308411. The next prime is 308423. The reversal of 308416 is 614803.

It is not an unprimeable number, because it can be changed into a prime (308411) by changing a digit.

308416 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3865 + ... + 3943.

2³⁰⁸⁴¹⁶ 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 308416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (314960).

308416 is an abundant number, since it is smaller than the sum of its proper divisors (321504).

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

308416 is an equidigital number, since it uses as much as digits as its factorization.

308416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152 (or 142 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 308416 is about 555.3521405379. The cubic root of 308416 is about 67.5635250165.

The spelling of 308416 in words is "three hundred eight thousand, four hundred sixteen".