3698238 has 32 divisors (see below), whose sum is σ = 7787520. Its totient is φ = 1169280.

The previous prime is 3698237. The next prime is 3698243. The reversal of 3698238 is 8328963.

Its product of digits (62208) is a multiple of the sum of its prime divisors (432).

It is a junction number, because it is equal to n+sod(n) for n = 3698196 and 3698205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3698237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10806 + ... + 11142.

It is an arithmetic number, because the mean of its divisors is an integer number (243360).

Almost surely, 2^3698238 is an apocalyptic number.

3698238 is an abundant number, since it is smaller than the sum of its proper divisors (4089282).

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

3698238 is a wasteful number, since it uses less digits than its factorization.

3698238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432.

The product of its digits is 62208, while the sum is 39.

The square root of 3698238 is about 1923.0803415354. The cubic root of 3698238 is about 154.6434816697.

The spelling of 3698238 in words is "three million, six hundred ninety-eight thousand, two hundred thirty-eight".