3506000 has 40 divisors (see below), whose sum is σ = 8482344. Its totient is φ = 1401600.

The previous prime is 3505991. The next prime is 3506023. The reversal of 3506000 is 6053.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 868624 + 2637376 = 932^2 + 1624^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

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, 1124 + ... + 2876.

Almost surely, 2^3506000 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 3506000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4241172).

3506000 is an abundant number, since it is smaller than the sum of its proper divisors (4976344).

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

3506000 is a wasteful number, since it uses less digits than its factorization.

3506000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1776 (or 1760 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 14.

The square root of 3506000 is about 1872.4315741837. The cubic root of 3506000 is about 151.9161587489.

The spelling of 3506000 in words is "three million, five hundred six thousand".