3918432 has 120 divisors (see below), whose sum is σ = 12705336. Its totient is φ = 1053696.

The previous prime is 3918413. The next prime is 3918443. The reversal of 3918432 is 2348193.

3918432 = T₄₆₃ + T₄₆₄ + ... + T₄₉₆.

3918432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nialpdrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 3918432.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 230488 + ... + 230504.

Almost surely, 2^3918432 is an apocalyptic number.

3918432 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3918432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6352668).

3918432 is an abundant number, since it is smaller than the sum of its proper divisors (8786904).

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

3918432 is an equidigital number, since it uses as much as digits as its factorization.

3918432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58 (or 29 counting only the distinct ones).

The product of its digits is 5184, while the sum is 30.

The square root of 3918432 is about 1979.5029679190. The cubic root of 3918432 is about 157.6536771646.

The spelling of 3918432 in words is "three million, nine hundred eighteen thousand, four hundred thirty-two".