4787816 has 32 divisors (see below), whose sum is σ = 10039680. Its totient is φ = 2121600.

The previous prime is 4787803. The next prime is 4787831. The reversal of 4787816 is 6187874.

It is a super-3 number, since 3×4787816³ (a number of 21 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is an alternating number because its digits alternate between even and odd.

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, 2945 + ... + 4271.

It is an arithmetic number, because the mean of its divisors is an integer number (313740).

Almost surely, 2^4787816 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 4787816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5019840).

4787816 is an abundant number, since it is smaller than the sum of its proper divisors (5251864).

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

4787816 is a wasteful number, since it uses less digits than its factorization.

4787816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1385 (or 1381 counting only the distinct ones).

The product of its digits is 75264, while the sum is 41.

The square root of 4787816 is about 2188.1078584019. The cubic root of 4787816 is about 168.5436845765.

The spelling of 4787816 in words is "four million, seven hundred eighty-seven thousand, eight hundred sixteen".