3605091 has 8 divisors (see below), whose sum is σ = 5493504. Its totient is φ = 2060040.

The previous prime is 3605087. The next prime is 3605093. The reversal of 3605091 is 1905063.

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

It is not a de Polignac number, because 3605091 - 2² = 3605087 is a prime.

It is a super-2 number, since 2×3605091² = 25993362236562, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3605093) 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, 85815 + ... + 85856.

It is an arithmetic number, because the mean of its divisors is an integer number (686688).

Almost surely, 2^3605091 is an apocalyptic number.

3605091 is a deficient number, since it is larger than the sum of its proper divisors (1888413).

3605091 is a wasteful number, since it uses less digits than its factorization.

3605091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171681.

The product of its (nonzero) digits is 810, while the sum is 24.

The square root of 3605091 is about 1898.7077184232. The cubic root of 3605091 is about 153.3340983999.

The spelling of 3605091 in words is "three million, six hundred five thousand, ninety-one".