3500860 has 24 divisors (see below), whose sum is σ = 8020656. Its totient is φ = 1272960.

The previous prime is 3500831. The next prime is 3500863. The reversal of 3500860 is 680053.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3500863) 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 7 ways as a sum of consecutive naturals, for example, 7737 + ... + 8176.

It is an arithmetic number, because the mean of its divisors is an integer number (334194).

Almost surely, 2^3500860 is an apocalyptic number.

It is an amenable number.

3500860 is an abundant number, since it is smaller than the sum of its proper divisors (4519796).

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

3500860 is a wasteful number, since it uses less digits than its factorization.

3500860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15933 (or 15931 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 3500860 is about 1871.0585239377. The cubic root of 3500860 is about 151.8418831302.

The spelling of 3500860 in words is "three million, five hundred thousand, eight hundred sixty".