3506880028 has 6 divisors (see below), whose sum is σ = 6137040056. Its totient is φ = 1753440012.

The previous prime is 3506880023. The next prime is 3506880029. The reversal of 3506880028 is 8200886053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3506880023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 438360000 + ... + 438360007.

Almost surely, 2^3506880028 is an apocalyptic number.

It is an amenable number.

3506880028 is a deficient number, since it is larger than the sum of its proper divisors (2630160028).

3506880028 is a wasteful number, since it uses less digits than its factorization.

3506880028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876720011 (or 876720009 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 40.

The square root of 3506880028 is about 59218.9161332762. The cubic root of 3506880028 is about 1519.2886832193.

The spelling of 3506880028 in words is "three billion, five hundred six million, eight hundred eighty thousand, twenty-eight".