3873897 has 6 divisors (see below), whose sum is σ = 5595642. Its totient is φ = 2582592.

The previous prime is 3873893. The next prime is 3873901. The reversal of 3873897 is 7983783.

It is an interprime number because it is at equal distance from previous prime (3873893) and next prime (3873901).

It can be written as a sum of positive squares in only one way, i.e., 3825936 + 47961 = 1956^2 + 219^2 .

It is not a de Polignac number, because 3873897 - 2² = 3873893 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3873893) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 215208 + ... + 215225.

It is an arithmetic number, because the mean of its divisors is an integer number (932607).

Almost surely, 2^3873897 is an apocalyptic number.

It is an amenable number.

3873897 is a deficient number, since it is larger than the sum of its proper divisors (1721745).

3873897 is a wasteful number, since it uses less digits than its factorization.

3873897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430439 (or 430436 counting only the distinct ones).

The product of its digits is 254016, while the sum is 45.

The square root of 3873897 is about 1968.2217862832. The cubic root of 3873897 is about 157.0541282253.

The spelling of 3873897 in words is "three million, eight hundred seventy-three thousand, eight hundred ninety-seven".