4487616 has 168 divisors, whose sum is σ = 15636240. Its totient is φ = 1257984.

The previous prime is 4487597. The next prime is 4487621. The reversal of 4487616 is 6167844.

It is a tau number, because it is divible by the number of its divisors (168).

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

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 84646 + ... + 84698.

Almost surely, 2^4487616 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 4487616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7818120).

4487616 is an abundant number, since it is smaller than the sum of its proper divisors (11148624).

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

4487616 is a wasteful number, since it uses less digits than its factorization.

4487616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88 (or 65 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 4487616 is about 2118.3993957703. The cubic root of 4487616 is about 164.9447749068.

The spelling of 4487616 in words is "four million, four hundred eighty-seven thousand, six hundred sixteen".