5619816 has 48 divisors (see below), whose sum is σ = 15408900. Its totient is φ = 1850112.

The previous prime is 5619787. The next prime is 5619827. The reversal of 5619816 is 6189165.

5619816 is a `hidden beast` number, since 561 + 98 + 1 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 5616900 + 2916 = 2370^2 + 54^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5970 + ... + 6846.

Almost surely, 2^5619816 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 5619816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7704450).

5619816 is an abundant number, since it is smaller than the sum of its proper divisors (9789084).

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

5619816 is a wasteful number, since it uses less digits than its factorization.

5619816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 978 (or 971 counting only the distinct ones).

The product of its digits is 12960, while the sum is 36.

The square root of 5619816 is about 2370.6151100506. The cubic root of 5619816 is about 177.7900145512.

The spelling of 5619816 in words is "five million, six hundred nineteen thousand, eight hundred sixteen".