3659744 has 48 divisors (see below), whose sum is σ = 8101296. Its totient is φ = 1612800.

The previous prime is 3659717. The next prime is 3659779. The reversal of 3659744 is 4479563.

It is a super-2 number, since 2×3659744² = 26787452291072, which contains 22 as substring.

It is a d-powerful number, because it can be written as 3¹³ + 6⁶ + 5⁹ + 9² + 7 + 4² + 4⁸ .

It is a junction number, because it is equal to n+sod(n) for n = 3659698 and 3659707.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12884 + ... + 13164.

It is an arithmetic number, because the mean of its divisors is an integer number (168777).

Almost surely, 2^3659744 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 3659744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4050648).

3659744 is an abundant number, since it is smaller than the sum of its proper divisors (4441552).

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

3659744 is a wasteful number, since it uses less digits than its factorization.

3659744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339 (or 331 counting only the distinct ones).

The product of its digits is 90720, while the sum is 38.

The square root of 3659744 is about 1913.0457391291. The cubic root of 3659744 is about 154.1050612715.

The spelling of 3659744 in words is "three million, six hundred fifty-nine thousand, seven hundred forty-four".