3508506 has 12 divisors (see below), whose sum is σ = 7601802. Its totient is φ = 1169496.

The previous prime is 3508501. The next prime is 3508523. The reversal of 3508506 is 6058053.

It can be written as a sum of positive squares in only one way, i.e., 2387025 + 1121481 = 1545^2 + 1059^2 .

It is a super-2 number, since 2×3508506² = 24619228704072, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3508506.

It is not an unprimeable number, because it can be changed into a prime (3508501) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 97441 + ... + 97476.

Almost surely, 2^3508506 is an apocalyptic number.

3508506 is an abundant number, since it is smaller than the sum of its proper divisors (4093296).

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

3508506 is a wasteful number, since it uses less digits than its factorization.

3508506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194925 (or 194922 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 3508506 is about 1873.1006379797. The cubic root of 3508506 is about 151.9523454027.

The spelling of 3508506 in words is "three million, five hundred eight thousand, five hundred six".