3994484550 has 48 divisors (see below), whose sum is σ = 11321513472. Its totient is φ = 913024800.

The previous prime is 3994484503. The next prime is 3994484579. The reversal of 3994484550 is 554844993.

It is a junction number, because it is equal to n+sod(n) for n = 3994484493 and 3994484502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1901086 + ... + 1903185.

It is an arithmetic number, because the mean of its divisors is an integer number (235864864).

Almost surely, 2^3994484550 is an apocalyptic number.

3994484550 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3994484550 is an abundant number, since it is smaller than the sum of its proper divisors (7327028922).

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

3994484550 is a wasteful number, since it uses less digits than its factorization.

3994484550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3804293 (or 3804288 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 51.

The square root of 3994484550 is about 63201.9347013998. The cubic root of 3994484550 is about 1586.6711137762.

The spelling of 3994484550 in words is "three billion, nine hundred ninety-four million, four hundred eighty-four thousand, five hundred fifty".