3661460 has 72 divisors (see below), whose sum is σ = 9049320. Its totient is φ = 1239040.

The previous prime is 3661457. The next prime is 3661499. The reversal of 3661460 is 641663.

It can be written as a sum of positive squares in 4 ways, for example, as 327184 + 3334276 = 572^2 + 1826^2 .

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, 41096 + ... + 41184.

It is an arithmetic number, because the mean of its divisors is an integer number (125685).

Almost surely, 2^3661460 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 3661460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4524660).

3661460 is an abundant number, since it is smaller than the sum of its proper divisors (5387860).

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

3661460 is a wasteful number, since it uses less digits than its factorization.

3661460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137 (or 124 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 3661460 is about 1913.4941860377. The cubic root of 3661460 is about 154.1291433716.

The spelling of 3661460 in words is "three million, six hundred sixty-one thousand, four hundred sixty".