3651460 has 48 divisors (see below), whose sum is σ = 8093232. Its totient is φ = 1382400.

The previous prime is 3651449. The next prime is 3651463. The reversal of 3651460 is 641563.

It can be written as a sum of positive squares in 8 ways, for example, as 1236544 + 2414916 = 1112^2 + 1554^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3651463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49984 + ... + 50056.

It is an arithmetic number, because the mean of its divisors is an integer number (168609).

Almost surely, 2^3651460 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 3651460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4046616).

3651460 is an abundant number, since it is smaller than the sum of its proper divisors (4441772).

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

3651460 is a wasteful number, since it uses less digits than its factorization.

3651460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184 (or 182 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 3651460 is about 1910.8793787155. The cubic root of 3651460 is about 153.9886987828.

It can be divided in two parts, 365 and 1460, that multiplied together give a square (532900 = 730²).

The spelling of 3651460 in words is "three million, six hundred fifty-one thousand, four hundred sixty".