3605963 has 4 divisors (see below), whose sum is σ = 3762768. Its totient is φ = 3449160.

The previous prime is 3605957. The next prime is 3605969. The reversal of 3605963 is 3695063.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (3605957) and next prime (3605969).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3605963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3605969) 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, 78368 + ... + 78413.

It is an arithmetic number, because the mean of its divisors is an integer number (940692).

Almost surely, 2^3605963 is an apocalyptic number.

3605963 is a deficient number, since it is larger than the sum of its proper divisors (156805).

3605963 is a wasteful number, since it uses less digits than its factorization.

3605963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156804.

The product of its (nonzero) digits is 14580, while the sum is 32.

The square root of 3605963 is about 1898.9373344057. The cubic root of 3605963 is about 153.3464602288.

The spelling of 3605963 in words is "three million, six hundred five thousand, nine hundred sixty-three".