3505960 has 16 divisors (see below), whose sum is σ = 7888500. Its totient is φ = 1402368.

The previous prime is 3505949. The next prime is 3505963. The reversal of 3505960 is 695053.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3437316 + 68644 = 1854^2 + 262^2 .

It is not an unprimeable number, because it can be changed into a prime (3505963) 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 3 ways as a sum of consecutive naturals, for example, 43785 + ... + 43864.

Almost surely, 2^3505960 is an apocalyptic number.

It is an amenable number.

3505960 is an abundant number, since it is smaller than the sum of its proper divisors (4382540).

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

3505960 is a wasteful number, since it uses less digits than its factorization.

3505960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87660 (or 87656 counting only the distinct ones).

The product of its (nonzero) digits is 4050, while the sum is 28.

The square root of 3505960 is about 1872.4208928550. The cubic root of 3505960 is about 151.9155810089.

It can be divided in two parts, 3505 and 960, that added together give a triangular number (4465 = T₉₄).

The spelling of 3505960 in words is "three million, five hundred five thousand, nine hundred sixty".