3843725 has 6 divisors (see below), whose sum is σ = 4766250. Its totient is φ = 3074960.

The previous prime is 3843713. The next prime is 3843731. The reversal of 3843725 is 5273483.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 72361 + 3771364 = 269^2 + 1942^2 .

It is not a de Polignac number, because 3843725 - 2⁶ = 3843661 is a prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 3843691 and 3843700.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 76850 + ... + 76899.

It is an arithmetic number, because the mean of its divisors is an integer number (794375).

Almost surely, 2^3843725 is an apocalyptic number.

It is an amenable number.

3843725 is a deficient number, since it is larger than the sum of its proper divisors (922525).

3843725 is a wasteful number, since it uses less digits than its factorization.

3843725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153759 (or 153754 counting only the distinct ones).

The product of its digits is 20160, while the sum is 32.

The square root of 3843725 is about 1960.5420168923. The cubic root of 3843725 is about 156.6453242895.

The spelling of 3843725 in words is "three million, eight hundred forty-three thousand, seven hundred twenty-five".