4428439206 has 8 divisors (see below), whose sum is σ = 8856878424. Its totient is φ = 1476146400.

The previous prime is 4428439199. The next prime is 4428439219. The reversal of 4428439206 is 6029348244.

It is a sphenic number, since it is the product of 3 distinct primes.

4428439206 is an admirable number.

It is a super-2 number, since 2×4428439206² = 39222147602475820872, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 369036595 + ... + 369036606.

It is an arithmetic number, because the mean of its divisors is an integer number (1107109803).

Almost surely, 2^4428439206 is an apocalyptic number.

4428439206 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

4428439206 is a wasteful number, since it uses less digits than its factorization.

4428439206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 738073206.

The product of its (nonzero) digits is 331776, while the sum is 42.

The square root of 4428439206 is about 66546.5191125727. The cubic root of 4428439206 is about 1642.1653934064.

The spelling of 4428439206 in words is "four billion, four hundred twenty-eight million, four hundred thirty-nine thousand, two hundred six".