3984435 has 72 divisors (see below), whose sum is σ = 8714160. Its totient is φ = 1669248.

The previous prime is 3984403. The next prime is 3984439. The reversal of 3984435 is 5344893.

It is not a de Polignac number, because 3984435 - 2⁵ = 3984403 is a prime.

3984435 is a lucky number.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 3984435.

It is not an unprimeable number, because it can be changed into a prime (3984439) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 28596 + ... + 28734.

It is an arithmetic number, because the mean of its divisors is an integer number (121030).

Almost surely, 2^3984435 is an apocalyptic number.

3984435 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

3984435 is an abundant number, since it is smaller than the sum of its proper divisors (4729725).

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

3984435 is a wasteful number, since it uses less digits than its factorization.

3984435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177 (or 167 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 3984435 is about 1996.1049571603. The cubic root of 3984435 is about 158.5339384048.

The spelling of 3984435 in words is "three million, nine hundred eighty-four thousand, four hundred thirty-five".