3506223620 has 48 divisors (see below), whose sum is σ = 7435653120. Its totient is φ = 1388709504.

The previous prime is 3506223607. The next prime is 3506223629. The reversal of 3506223620 is 263226053.

It is not an unprimeable number, because it can be changed into a prime (3506223629) 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, 1718561 + ... + 1720599.

It is an arithmetic number, because the mean of its divisors is an integer number (154909440).

Almost surely, 2^3506223620 is an apocalyptic number.

It is an amenable number.

3506223620 is an abundant number, since it is smaller than the sum of its proper divisors (3929429500).

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

3506223620 is a wasteful number, since it uses less digits than its factorization.

3506223620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2852 (or 2850 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 29.

The square root of 3506223620 is about 59213.3736583215. The cubic root of 3506223620 is about 1519.1938852349.

Adding to 3506223620 its reverse (263226053), we get a palindrome (3769449673).

The spelling of 3506223620 in words is "three billion, five hundred six million, two hundred twenty-three thousand, six hundred twenty".