3573648 has 120 divisors (see below), whose sum is σ = 11374272. Its totient is φ = 1039104.

The previous prime is 3573637. The next prime is 3573673. The reversal of 3573648 is 8463753.

It is a happy number.

3573648 is a `hidden beast` number, since 3 + 5 + 7 + 3 + 648 = 666.

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 3⁸ + 5⁹ + 7⁵ + 3¹³ + 6⁴ + 4⁵ + 8³ .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43015 + ... + 43097.

Almost surely, 2^3573648 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 3573648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5687136).

3573648 is an abundant number, since it is smaller than the sum of its proper divisors (7800624).

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

3573648 is a wasteful number, since it uses less digits than its factorization.

3573648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133 (or 124 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 3573648 is about 1890.4094794515. The cubic root of 3573648 is about 152.8870112869.

It can be divided in two parts, 357 and 3648, that added together give a triangular number (4005 = T₈₉).

The spelling of 3573648 in words is "three million, five hundred seventy-three thousand, six hundred forty-eight".