5906661 has 8 divisors (see below), whose sum is σ = 7901664. Its totient is φ = 3924720.

The previous prime is 5906629. The next prime is 5906683. The reversal of 5906661 is 1666095.

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

It is not a de Polignac number, because 5906661 - 2⁵ = 5906629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5906611) 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, 2155 + ... + 4056.

It is an arithmetic number, because the mean of its divisors is an integer number (987708).

Almost surely, 2^5906661 is an apocalyptic number.

It is an amenable number.

5906661 is a deficient number, since it is larger than the sum of its proper divisors (1995003).

5906661 is a wasteful number, since it uses less digits than its factorization.

5906661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6531.

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 5906661 is about 2430.3623186677. The cubic root of 5906661 is about 180.7648625983.

The spelling of 5906661 in words is "five million, nine hundred six thousand, six hundred sixty-one".