3725824 has 40 divisors (see below), whose sum is σ = 7856640. Its totient is φ = 1760256.

The previous prime is 3725809. The next prime is 3725849. The reversal of 3725824 is 4285273.

Its product of digits (13440) is a multiple of the sum of its prime factors (420).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9537 + ... + 9919.

It is an arithmetic number, because the mean of its divisors is an integer number (196416).

Almost surely, 2^3725824 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 3725824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3928320).

3725824 is an abundant number, since it is smaller than the sum of its proper divisors (4130816).

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

3725824 is an equidigital number, since it uses as much as digits as its factorization.

3725824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420 (or 404 counting only the distinct ones).

The product of its digits is 13440, while the sum is 31.

The square root of 3725824 is about 1930.2393633951. The cubic root of 3725824 is about 155.0270365602.

The spelling of 3725824 in words is "three million, seven hundred twenty-five thousand, eight hundred twenty-four".