3805424 has 40 divisors (see below), whose sum is σ = 8579808. Its totient is φ = 1601280.

The previous prime is 3805393. The next prime is 3805463. The reversal of 3805424 is 4245083.

It is a junction number, because it is equal to n+sod(n) for n = 3805393 and 3805402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6554 + ... + 7110.

Almost surely, 2^3805424 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 3805424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4289904).

3805424 is an abundant number, since it is smaller than the sum of its proper divisors (4774384).

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

3805424 is a wasteful number, since it uses less digits than its factorization.

3805424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633 (or 627 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 3805424 is about 1950.7495995130. The cubic root of 3805424 is about 156.1232862804.

The spelling of 3805424 in words is "three million, eight hundred five thousand, four hundred twenty-four".