3685448 has 16 divisors (see below), whose sum is σ = 7441980. Its totient is φ = 1700928.

The previous prime is 3685441. The next prime is 3685453. The reversal of 3685448 is 8445863.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3678724 + 6724 = 1918^2 + 82^2 .

It is not an unprimeable number, because it can be changed into a prime (3685441) 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, 17615 + ... + 17822.

Almost surely, 2^3685448 is an apocalyptic number.

It is an amenable number.

3685448 is an abundant number, since it is smaller than the sum of its proper divisors (3756532).

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

3685448 is a wasteful number, since it uses less digits than its factorization.

3685448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35456 (or 35452 counting only the distinct ones).

The product of its digits is 92160, while the sum is 38.

The square root of 3685448 is about 1919.7520673254. The cubic root of 3685448 is about 154.4650025637.

The spelling of 3685448 in words is "three million, six hundred eighty-five thousand, four hundred forty-eight".