2955661 has 8 divisors (see below), whose sum is σ = 3115584. Its totient is φ = 2798400.

The previous prime is 2955653. The next prime is 2955683. The reversal of 2955661 is 1665592.

It is a happy number.

2955661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2955661 - 2³ = 2955653 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2955761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1861 + ... + 3061.

It is an arithmetic number, because the mean of its divisors is an integer number (389448).

2^2955661 is an apocalyptic number.

It is an amenable number.

2955661 is a deficient number, since it is larger than the sum of its proper divisors (159923).

2955661 is a wasteful number, since it uses less digits than its factorization.

2955661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1331.

The product of its digits is 16200, while the sum is 34.

The square root of 2955661 is about 1719.2035946914. The cubic root of 2955661 is about 143.5108952623.

The spelling of 2955661 in words is "two million, nine hundred fifty-five thousand, six hundred sixty-one".