3305505 has 16 divisors (see below), whose sum is σ = 6044544. Its totient is φ = 1511040.

The previous prime is 3305503. The next prime is 3305509. The reversal of 3305505 is 5055033.

3305505 = 420² + 421² + ... + 437².

It is not a de Polignac number, because 3305505 - 2¹ = 3305503 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (3305501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15636 + ... + 15845.

It is an arithmetic number, because the mean of its divisors is an integer number (377784).

Almost surely, 2^3305505 is an apocalyptic number.

3305505 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3305505 is a deficient number, since it is larger than the sum of its proper divisors (2739039).

3305505 is a wasteful number, since it uses less digits than its factorization.

3305505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31496.

The product of its (nonzero) digits is 1125, while the sum is 21.

The square root of 3305505 is about 1818.1047824589. The cubic root of 3305505 is about 148.9632959154.

The spelling of 3305505 in words is "three million, three hundred five thousand, five hundred five".