3897801 has 10 divisors (see below), whose sum is σ = 5822762. Its totient is φ = 2598480.

The previous prime is 3897799. The next prime is 3897823. The reversal of 3897801 is 1087983.

It can be written as a sum of positive squares in only one way, i.e., 3606201 + 291600 = 1899^2 + 540^2 .

It is not a de Polignac number, because 3897801 - 2¹ = 3897799 is a prime.

It is a Duffinian number.

It is a Curzon number.

3897801 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3897841) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 23980 + ... + 24141.

Almost surely, 2^3897801 is an apocalyptic number.

It is an amenable number.

3897801 is a deficient number, since it is larger than the sum of its proper divisors (1924961).

3897801 is an equidigital number, since it uses as much as digits as its factorization.

3897801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48133 (or 48124 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 3897801 is about 1974.2849338431. The cubic root of 3897801 is about 157.3765018280.

The spelling of 3897801 in words is "three million, eight hundred ninety-seven thousand, eight hundred one".