3919456 has 24 divisors (see below), whose sum is σ = 7865424. Its totient is φ = 1921920.

The previous prime is 3919441. The next prime is 3919457. The reversal of 3919456 is 6549193.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3919457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 541 + ... + 2851.

It is an arithmetic number, because the mean of its divisors is an integer number (327726).

Almost surely, 2^3919456 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 3919456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3932712).

3919456 is an abundant number, since it is smaller than the sum of its proper divisors (3945968).

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

3919456 is a wasteful number, since it uses less digits than its factorization.

3919456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2374 (or 2366 counting only the distinct ones).

The product of its digits is 29160, while the sum is 37.

The square root of 3919456 is about 1979.7616018097. The cubic root of 3919456 is about 157.6674091289.

The spelling of 3919456 in words is "three million, nine hundred nineteen thousand, four hundred fifty-six".