3728625 has 32 divisors (see below), whose sum is σ = 6344832. Its totient is φ = 1944000.

The previous prime is 3728611. The next prime is 3728633. The reversal of 3728625 is 5268273.

It is not a de Polignac number, because 3728625 - 2⁶ = 3728561 is a prime.

It is a d-powerful number, because it can be written as 3¹³ + 7⁷ + 2¹⁸ + 8 + 6 + 2²⁰ + 5² .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22794 + ... + 22956.

It is an arithmetic number, because the mean of its divisors is an integer number (198276).

Almost surely, 2^3728625 is an apocalyptic number.

It is an amenable number.

3728625 is a deficient number, since it is larger than the sum of its proper divisors (2616207).

3728625 is a wasteful number, since it uses less digits than its factorization.

3728625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242 (or 232 counting only the distinct ones).

The product of its digits is 20160, while the sum is 33.

The square root of 3728625 is about 1930.9647847643. The cubic root of 3728625 is about 155.0658755713.

The spelling of 3728625 in words is "three million, seven hundred twenty-eight thousand, six hundred twenty-five".