3685248 has 96 divisors (see below), whose sum is σ = 12146160. Its totient is φ = 1050624.

The previous prime is 3685247. The next prime is 3685273. The reversal of 3685248 is 8425863.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a d-powerful number, because it can be written as 3⁹ + 6⁸ + 8 + 5⁹ + 2⁵ + 4² + 8⁵ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3685247) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7836 + ... + 8292.

Almost surely, 2^3685248 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3685248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6073080).

3685248 is an abundant number, since it is smaller than the sum of its proper divisors (8460912).

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

3685248 is a wasteful number, since it uses less digits than its factorization.

3685248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484 (or 469 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 3685248 is about 1919.6999765588. The cubic root of 3685248 is about 154.4622083707.

The spelling of 3685248 in words is "three million, six hundred eighty-five thousand, two hundred forty-eight".