3061605 has 8 divisors (see below), whose sum is σ = 4898592. Its totient is φ = 1632848.

The previous prime is 3061579. The next prime is 3061609. The reversal of 3061605 is 5061603.

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

It is a cyclic number.

It is not a de Polignac number, because 3061605 - 2¹⁰ = 3060581 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3061609) 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, 102039 + ... + 102068.

It is an arithmetic number, because the mean of its divisors is an integer number (612324).

Almost surely, 2^3061605 is an apocalyptic number.

It is an amenable number.

3061605 is a deficient number, since it is larger than the sum of its proper divisors (1836987).

3061605 is a wasteful number, since it uses less digits than its factorization.

3061605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204115.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 3061605 is about 1749.7442670288. The cubic root of 3061605 is about 145.2054953942.

The spelling of 3061605 in words is "three million, sixty-one thousand, six hundred five".