3506420506 has 8 divisors (see below), whose sum is σ = 5260135104. Its totient is φ = 1753042140.

The previous prime is 3506420419. The next prime is 3506420507. The reversal of 3506420506 is 6050246053.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (3506420507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56130 + ... + 100813.

It is an arithmetic number, because the mean of its divisors is an integer number (657516888).

Almost surely, 2^3506420506 is an apocalyptic number.

3506420506 is a deficient number, since it is larger than the sum of its proper divisors (1753714598).

3506420506 is a wasteful number, since it uses less digits than its factorization.

3506420506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168116.

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 3506420506 is about 59215.0361479245. The cubic root of 3506420506 is about 1519.2223206154. Note that the first 3 decimals are identical.

Adding to 3506420506 its reverse (6050246053), we get a palindrome (9556666559).

The spelling of 3506420506 in words is "three billion, five hundred six million, four hundred twenty thousand, five hundred six".