3500780 has 12 divisors (see below), whose sum is σ = 7351680. Its totient is φ = 1400304.

The previous prime is 3500779. The next prime is 3500789. The reversal of 3500780 is 870053.

It is not an unprimeable number, because it can be changed into a prime (3500789) 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, 87500 + ... + 87539.

It is an arithmetic number, because the mean of its divisors is an integer number (612640).

Almost surely, 2^3500780 is an apocalyptic number.

It is an amenable number.

3500780 is an abundant number, since it is smaller than the sum of its proper divisors (3850900).

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

3500780 is a wasteful number, since it uses less digits than its factorization.

3500780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175048 (or 175046 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 3500780 is about 1871.0371455425. The cubic root of 3500780 is about 151.8407265151.

The spelling of 3500780 in words is "three million, five hundred thousand, seven hundred eighty".