9618816 has 64 divisors (see below), whose sum is σ = 26279280. Its totient is φ = 3115008.

The previous prime is 9618767. The next prime is 9618823. The reversal of 9618816 is 6188169.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13870 + ... + 14546.

Almost surely, 2^9618816 is an apocalyptic number.

9618816 is a gapful number since it is divisible by the number (96) 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 9618816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13139640).

9618816 is an abundant number, since it is smaller than the sum of its proper divisors (16660464).

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

9618816 is a wasteful number, since it uses less digits than its factorization.

9618816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 731 (or 719 counting only the distinct ones).

The product of its digits is 20736, while the sum is 39.

The square root of 9618816 is about 3101.4216095204. The cubic root of 9618816 is about 212.6704772702.

It can be divided in two parts, 96 and 18816, that multiplied together give a square (1806336 = 1344²).

The spelling of 9618816 in words is "nine million, six hundred eighteen thousand, eight hundred sixteen".