3500000285 has 16 divisors (see below), whose sum is σ = 4484989440. Its totient is φ = 2616237120.

The previous prime is 3500000267. The next prime is 3500000293. The reversal of 3500000285 is 5820000053.

It is not a de Polignac number, because 3500000285 - 2¹⁶ = 3499934749 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3500000285.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 384827 + ... + 393816.

It is an arithmetic number, because the mean of its divisors is an integer number (280311840).

Almost surely, 2^3500000285 is an apocalyptic number.

It is an amenable number.

3500000285 is a deficient number, since it is larger than the sum of its proper divisors (984989155).

3500000285 is a wasteful number, since it uses less digits than its factorization.

3500000285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 778708.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 3500000285 is about 59160.8002396857. The cubic root of 3500000285 is about 1518.2945271487.

The spelling of 3500000285 in words is "three billion, five hundred million, two hundred eighty-five", and thus it is an aban number.