3728001 has 16 divisors (see below), whose sum is σ = 5249664. Its totient is φ = 2348544.

The previous prime is 3727991. The next prime is 3728017. The reversal of 3728001 is 1008273.

It is not a de Polignac number, because 3728001 - 2⁶ = 3727937 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3728041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6415 + ... + 6971.

It is an arithmetic number, because the mean of its divisors is an integer number (328104).

Almost surely, 2^3728001 is an apocalyptic number.

It is an amenable number.

3728001 is a deficient number, since it is larger than the sum of its proper divisors (1521663).

3728001 is a wasteful number, since it uses less digits than its factorization.

3728001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 3728001 is about 1930.8032007432. The cubic root of 3728001 is about 155.0572247948.

The spelling of 3728001 in words is "three million, seven hundred twenty-eight thousand, one".