4387632 has 80 divisors (see below), whose sum is σ = 12677760. Its totient is φ = 1299456.

The previous prime is 4387619. The next prime is 4387633. The reversal of 4387632 is 2367834.

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

It is a junction number, because it is equal to n+sod(n) for n = 4387593 and 4387602.

It is not an unprimeable number, because it can be changed into a prime (4387633) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15363 + ... + 15645.

It is an arithmetic number, because the mean of its divisors is an integer number (158472).

Almost surely, 2^4387632 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 4387632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6338880).

4387632 is an abundant number, since it is smaller than the sum of its proper divisors (8290128).

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

4387632 is a wasteful number, since it uses less digits than its factorization.

4387632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330 (or 324 counting only the distinct ones).

The product of its digits is 24192, while the sum is 33.

The square root of 4387632 is about 2094.6675153828. The cubic root of 4387632 is about 163.7105741961.

The spelling of 4387632 in words is "four million, three hundred eighty-seven thousand, six hundred thirty-two".