4098638 has 16 divisors (see below), whose sum is σ = 6390384. Its totient is φ = 1969920.

The previous prime is 4098637. The next prime is 4098641. The reversal of 4098638 is 8368904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4098637) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6893 + ... + 7463.

It is an arithmetic number, because the mean of its divisors is an integer number (399399).

Almost surely, 2^4098638 is an apocalyptic number.

4098638 is a deficient number, since it is larger than the sum of its proper divisors (2291746).

4098638 is a wasteful number, since it uses less digits than its factorization.

4098638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 4098638 is about 2024.5093232682. The cubic root of 4098638 is about 160.0343415869.

The spelling of 4098638 in words is "four million, ninety-eight thousand, six hundred thirty-eight".