3898844 has 6 divisors (see below), whose sum is σ = 6822984. Its totient is φ = 1949420.

The previous prime is 3898841. The next prime is 3898871. The reversal of 3898844 is 4488983.

It is a junction number, because it is equal to n+sod(n) for n = 3898795 and 3898804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3898841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 487352 + ... + 487359.

It is an arithmetic number, because the mean of its divisors is an integer number (1137164).

Almost surely, 2^3898844 is an apocalyptic number.

It is an amenable number.

3898844 is a deficient number, since it is larger than the sum of its proper divisors (2924140).

3898844 is a wasteful number, since it uses less digits than its factorization.

3898844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 974715 (or 974713 counting only the distinct ones).

The product of its digits is 221184, while the sum is 44.

The square root of 3898844 is about 1974.5490624444. The cubic root of 3898844 is about 157.3905378663.

The spelling of 3898844 in words is "three million, eight hundred ninety-eight thousand, eight hundred forty-four".