3899885424 has 80 divisors (see below), whose sum is σ = 10259795712. Its totient is φ = 1276245504.

The previous prime is 3899885411. The next prime is 3899885441. The reversal of 3899885424 is 4245889983.

3899885424 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 792957 + ... + 797859.

Almost surely, 2^3899885424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3899885424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5129897856).

3899885424 is an abundant number, since it is smaller than the sum of its proper divisors (6359910288).

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

3899885424 is a wasteful number, since it uses less digits than its factorization.

3899885424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5214 (or 5208 counting only the distinct ones).

The product of its digits is 19906560, while the sum is 60.

The square root of 3899885424 is about 62449.0626350788. The cubic root of 3899885424 is about 1574.0455019845.

The spelling of 3899885424 in words is "three billion, eight hundred ninety-nine million, eight hundred eighty-five thousand, four hundred twenty-four".