3728601 has 12 divisors (see below), whose sum is σ = 5531812. Its totient is φ = 2418336.

The previous prime is 3728597. The next prime is 3728611. The reversal of 3728601 is 1068273.

3728601 is a `hidden beast` number, since 37 + 28 + 601 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2178576 + 1550025 = 1476^2 + 1245^2 .

It is not a de Polignac number, because 3728601 - 2² = 3728597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3728611) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5266 + ... + 5931.

Almost surely, 2^3728601 is an apocalyptic number.

It is an amenable number.

3728601 is a deficient number, since it is larger than the sum of its proper divisors (1803211).

3728601 is a wasteful number, since it uses less digits than its factorization.

3728601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11240 (or 11237 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 3728601 is about 1930.9585702443. The cubic root of 3728601 is about 155.0655428670.

The spelling of 3728601 in words is "three million, seven hundred twenty-eight thousand, six hundred one".