2906661 has 8 divisors (see below), whose sum is σ = 3933664. Its totient is φ = 1908720.

The previous prime is 2906633. The next prime is 2906663. The reversal of 2906661 is 1666092.

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

It is not a de Polignac number, because 2906661 - 2⁶ = 2906597 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2906663) 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, 7030 + ... + 7431.

It is an arithmetic number, because the mean of its divisors is an integer number (491708).

2^2906661 is an apocalyptic number.

It is an amenable number.

2906661 is a deficient number, since it is larger than the sum of its proper divisors (1027003).

2906661 is a wasteful number, since it uses less digits than its factorization.

2906661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14531.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 2906661 is about 1704.8932517903. The cubic root of 2906661 is about 142.7134136801.

The spelling of 2906661 in words is "two million, nine hundred six thousand, six hundred sixty-one".