3305997 has 12 divisors (see below), whose sum is σ = 4983264. Its totient is φ = 2108040.

The previous prime is 3305989. The next prime is 3305999. The reversal of 3305997 is 7995033.

It is not a de Polignac number, because 3305997 - 2³ = 3305989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3305999) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7779 + ... + 8192.

It is an arithmetic number, because the mean of its divisors is an integer number (415272).

Almost surely, 2^3305997 is an apocalyptic number.

It is an amenable number.

3305997 is a deficient number, since it is larger than the sum of its proper divisors (1677267).

3305997 is a wasteful number, since it uses less digits than its factorization.

3305997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16000 (or 15997 counting only the distinct ones).

The product of its (nonzero) digits is 25515, while the sum is 36.

The square root of 3305997 is about 1818.2400831573. The cubic root of 3305997 is about 148.9706862442.

Adding to 3305997 its sum of digits (36), we get a palindrome (3306033).

The spelling of 3305997 in words is "three million, three hundred five thousand, nine hundred ninety-seven".