3689238 has 32 divisors (see below), whose sum is σ = 8930304. Its totient is φ = 991872.

The previous prime is 3689237. The next prime is 3689263. The reversal of 3689238 is 8329863.

It is a super-2 number, since 2×3689238² = 27220954041288, which contains 22 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 3689196 and 3689205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3689237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1870 + ... + 3297.

It is an arithmetic number, because the mean of its divisors is an integer number (279072).

Almost surely, 2^3689238 is an apocalyptic number.

3689238 is an abundant number, since it is smaller than the sum of its proper divisors (5241066).

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

3689238 is a wasteful number, since it uses less digits than its factorization.

3689238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5196.

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

The square root of 3689238 is about 1920.7389203117. The cubic root of 3689238 is about 154.5179334238.

The spelling of 3689238 in words is "three million, six hundred eighty-nine thousand, two hundred thirty-eight".