3800725 has 6 divisors (see below), whose sum is σ = 4712930. Its totient is φ = 3040560.

The previous prime is 3800723. The next prime is 3800737. The reversal of 3800725 is 5270083.

It can be written as a sum of positive squares in 3 ways, for example, as 381924 + 3418801 = 618^2 + 1849^2 .

It is not a de Polignac number, because 3800725 - 2¹ = 3800723 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 152029 = 3800725 / (3 + 8 + 0 + 0 + 7 + 2 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 3800725.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3800723) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 75990 + ... + 76039.

Almost surely, 2^3800725 is an apocalyptic number.

It is an amenable number.

3800725 is a deficient number, since it is larger than the sum of its proper divisors (912205).

3800725 is a wasteful number, since it uses less digits than its factorization.

3800725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152039 (or 152034 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 3800725 is about 1949.5448186692. The cubic root of 3800725 is about 156.0589986133.

The spelling of 3800725 in words is "three million, eight hundred thousand, seven hundred twenty-five".