3898481 has 4 divisors (see below), whose sum is σ = 3902964. Its totient is φ = 3894000.

The previous prime is 3898463. The next prime is 3898483. The reversal of 3898481 is 1848983.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 2298256 + 1600225 = 1516^2 + 1265^2 .

It is a cyclic number.

It is not a de Polignac number, because 3898481 - 2⁶ = 3898417 is a prime.

It is a super-2 number, since 2×3898481² = 30396308214722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3898483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 470 + ... + 2831.

It is an arithmetic number, because the mean of its divisors is an integer number (975741).

Almost surely, 2^3898481 is an apocalyptic number.

It is an amenable number.

3898481 is a deficient number, since it is larger than the sum of its proper divisors (4483).

3898481 is a wasteful number, since it uses less digits than its factorization.

3898481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4482.

The product of its digits is 55296, while the sum is 41.

The square root of 3898481 is about 1974.4571405832. The cubic root of 3898481 is about 157.3856531245.

The spelling of 3898481 in words is "three million, eight hundred ninety-eight thousand, four hundred eighty-one".