4046661 has 6 divisors (see below), whose sum is σ = 5845190. Its totient is φ = 2697768.

The previous prime is 4046657. The next prime is 4046671. The reversal of 4046661 is 1666404.

It can be written as a sum of positive squares in only one way, i.e., 4040100 + 6561 = 2010^2 + 81^2 .

It is not a de Polignac number, because 4046661 - 2² = 4046657 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4046671) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 224806 + ... + 224823.

Almost surely, 2^4046661 is an apocalyptic number.

It is an amenable number.

4046661 is a deficient number, since it is larger than the sum of its proper divisors (1798529).

4046661 is a wasteful number, since it uses less digits than its factorization.

4046661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449635 (or 449632 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 4046661 is about 2011.6314274737. The cubic root of 4046661 is about 159.3549681859.

The spelling of 4046661 in words is "four million, forty-six thousand, six hundred sixty-one".