3506286 has 32 divisors (see below), whose sum is σ = 8275968. Its totient is φ = 969120.

The previous prime is 3506249. The next prime is 3506287. The reversal of 3506286 is 6826053.

3506286 = T₆₀ + T₆₁ + ... + T₂₇₆.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3506287) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45 + ... + 2648.

It is an arithmetic number, because the mean of its divisors is an integer number (258624).

Almost surely, 2^3506286 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3506286, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4137984).

3506286 is an abundant number, since it is smaller than the sum of its proper divisors (4769682).

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

3506286 is a wasteful number, since it uses less digits than its factorization.

3506286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2736.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 3506286 is about 1872.5079439084. The cubic root of 3506286 is about 151.9202894620.

The spelling of 3506286 in words is "three million, five hundred six thousand, two hundred eighty-six".