3903456 has 48 divisors (see below), whose sum is σ = 10405584. Its totient is φ = 1281024.

The previous prime is 3903443. The next prime is 3903457. The reversal of 3903456 is 6543093.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3903457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6730 + ... + 7286.

It is an arithmetic number, because the mean of its divisors is an integer number (216783).

Almost surely, 2^3903456 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 3903456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5202792).

3903456 is an abundant number, since it is smaller than the sum of its proper divisors (6502128).

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

3903456 is a wasteful number, since it uses less digits than its factorization.

3903456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643 (or 635 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 30.

The square root of 3903456 is about 1975.7165788645. The cubic root of 3903456 is about 157.4525732737.

The spelling of 3903456 in words is "three million, nine hundred three thousand, four hundred fifty-six".