3808725 has 24 divisors (see below), whose sum is σ = 6448992. Its totient is φ = 1982400.

The previous prime is 3808711. The next prime is 3808751. The reversal of 3808725 is 5278083.

It is not a de Polignac number, because 3808725 - 2⁴ = 3808709 is a prime.

It is a super-2 number, since 2×3808725² = 29012772251250, which contains 22 as substring.

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2635 + ... + 3815.

It is an arithmetic number, because the mean of its divisors is an integer number (268708).

Almost surely, 2^3808725 is an apocalyptic number.

It is an amenable number.

3808725 is a deficient number, since it is larger than the sum of its proper divisors (2640267).

3808725 is a wasteful number, since it uses less digits than its factorization.

3808725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1237 (or 1232 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 3808725 is about 1951.5955011221. The cubic root of 3808725 is about 156.1684160761.

The spelling of 3808725 in words is "three million, eight hundred eight thousand, seven hundred twenty-five".