3500205 has 8 divisors (see below), whose sum is σ = 5600352. Its totient is φ = 1866768.

The previous prime is 3500201. The next prime is 3500207. The reversal of 3500205 is 5020053.

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

It is not a de Polignac number, because 3500205 - 2² = 3500201 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15), and also a Moran number because the ratio is a prime number: 233347 = 3500205 / (3 + 5 + 0 + 0 + 2 + 0 + 5).

3500205 is a modest number, since divided by 205 gives 35 as remainder.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3500201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116659 + ... + 116688.

It is an arithmetic number, because the mean of its divisors is an integer number (700044).

Almost surely, 2^3500205 is an apocalyptic number.

It is an amenable number.

3500205 is a deficient number, since it is larger than the sum of its proper divisors (2100147).

3500205 is a wasteful number, since it uses less digits than its factorization.

3500205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233355.

The product of its (nonzero) digits is 150, while the sum is 15.

The square root of 3500205 is about 1870.8834811393. The cubic root of 3500205 is about 151.8324128251.

Adding to 3500205 its reverse (5020053), we get a palindrome (8520258).

The spelling of 3500205 in words is "three million, five hundred thousand, two hundred five".