3506706 has 32 divisors (see below), whose sum is σ = 8906880. Its totient is φ = 1001808.

The previous prime is 3506687. The next prime is 3506719. The reversal of 3506706 is 6076053.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 3506706.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4261 + ... + 5016.

It is an arithmetic number, because the mean of its divisors is an integer number (278340).

Almost surely, 2^3506706 is an apocalyptic number.

3506706 is an abundant number, since it is smaller than the sum of its proper divisors (5400174).

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

3506706 is a wasteful number, since it uses less digits than its factorization.

3506706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9295 (or 9289 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 27.

The square root of 3506706 is about 1872.6200896071. The cubic root of 3506706 is about 151.9263551370.

It can be divided in two parts, 350 and 6706, that added together give a square (7056 = 84²).

The spelling of 3506706 in words is "three million, five hundred six thousand, seven hundred six".