4487936 has 36 divisors (see below), whose sum is σ = 9173472. Its totient is φ = 2190336.

The previous prime is 4487891. The next prime is 4487939. The reversal of 4487936 is 6397844.

It is a junction number, because it is equal to n+sod(n) for n = 4487893 and 4487902.

It is not an unprimeable number, because it can be changed into a prime (4487939) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11846 + ... + 12218.

Almost surely, 2^4487936 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 4487936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4586736).

4487936 is an abundant number, since it is smaller than the sum of its proper divisors (4685536).

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

4487936 is an equidigital number, since it uses as much as digits as its factorization.

4487936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436 (or 422 counting only the distinct ones).

The product of its digits is 145152, while the sum is 41.

The square root of 4487936 is about 2118.4749231464. The cubic root of 4487936 is about 164.9486954051.

The spelling of 4487936 in words is "four million, four hundred eighty-seven thousand, nine hundred thirty-six".