3508890520 has 16 divisors (see below), whose sum is σ = 7895003760. Its totient is φ = 1403556192.

The previous prime is 3508890509. The next prime is 3508890521. The reversal of 3508890520 is 250988053.

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 87722263 = 3508890520 / (3 + 5 + 0 + 8 + 8 + 9 + 0 + 5 + 2 + 0).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3508890521) 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, 43861092 + ... + 43861171.

It is an arithmetic number, because the mean of its divisors is an integer number (493437735).

Almost surely, 2^3508890520 is an apocalyptic number.

It is an amenable number.

3508890520 is an abundant number, since it is smaller than the sum of its proper divisors (4386113240).

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

3508890520 is a wasteful number, since it uses less digits than its factorization.

3508890520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87722274 (or 87722270 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 40.

The square root of 3508890520 is about 59235.8887837433. Note that the first 3 decimals coincide. The cubic root of 3508890520 is about 1519.5789634862.

The spelling of 3508890520 in words is "three billion, five hundred eight million, eight hundred ninety thousand, five hundred twenty".