3984435450 has 72 divisors (see below), whose sum is σ = 10724545728. Its totient is φ = 1060561440.

The previous prime is 3984435421. The next prime is 3984435461. The reversal of 3984435450 is 545344893.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 3984435396 and 3984435405.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 245487 + ... + 261213.

It is an arithmetic number, because the mean of its divisors is an integer number (148952024).

Almost surely, 2^3984435450 is an apocalyptic number.

3984435450 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3984435450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5362272864).

3984435450 is an abundant number, since it is smaller than the sum of its proper divisors (6740110278).

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

3984435450 is a wasteful number, since it uses less digits than its factorization.

3984435450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16308 (or 16300 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 45.

The square root of 3984435450 is about 63122.3846982986. The cubic root of 3984435450 is about 1585.3394437308.

The spelling of 3984435450 in words is "three billion, nine hundred eighty-four million, four hundred thirty-five thousand, four hundred fifty".