3899408 has 40 divisors (see below), whose sum is σ = 8094720. Its totient is φ = 1814400.

The previous prime is 3899407. The next prime is 3899411. The reversal of 3899408 is 8049983.

It is not an unprimeable number, because it can be changed into a prime (3899407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30641 + ... + 30767.

It is an arithmetic number, because the mean of its divisors is an integer number (202368).

Almost surely, 2^3899408 is an apocalyptic number.

3899408 is a gapful number since it is divisible by the number (38) 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 3899408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4047360).

3899408 is an abundant number, since it is smaller than the sum of its proper divisors (4195312).

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

3899408 is a wasteful number, since it uses less digits than its factorization.

3899408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255 (or 249 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 3899408 is about 1974.6918746984. The cubic root of 3899408 is about 157.3981267810.

The spelling of 3899408 in words is "three million, eight hundred ninety-nine thousand, four hundred eight".