3897846 has 24 divisors (see below), whose sum is σ = 8550360. Its totient is φ = 1283136.

The previous prime is 3897841. The next prime is 3897853. The reversal of 3897846 is 6487983.

It is a happy number.

It is a plaindrome in base 11.

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 11 ways as a sum of consecutive naturals, for example, 190 + ... + 2798.

It is an arithmetic number, because the mean of its divisors is an integer number (356265).

Almost surely, 2^3897846 is an apocalyptic number.

3897846 is an abundant number, since it is smaller than the sum of its proper divisors (4652514).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3897846 is a wasteful number, since it uses less digits than its factorization.

3897846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2700 (or 2697 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 3897846 is about 1974.2963303415. The cubic root of 3897846 is about 157.3771074613.

The spelling of 3897846 in words is "three million, eight hundred ninety-seven thousand, eight hundred forty-six".