4380636 has 24 divisors (see below), whose sum is σ = 11008144. Its totient is φ = 1347840.

The previous prime is 4380599. The next prime is 4380637. The reversal of 4380636 is 6360834.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4380637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13885 + ... + 14196.

Almost surely, 2^4380636 is an apocalyptic number.

It is an amenable number.

4380636 is an abundant number, since it is smaller than the sum of its proper divisors (6627508).

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

4380636 is a wasteful number, since it uses less digits than its factorization.

4380636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28101 (or 28099 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 4380636 is about 2092.9968944076. The cubic root of 4380636 is about 163.6235167243.

The spelling of 4380636 in words is "four million, three hundred eighty thousand, six hundred thirty-six".