4650861 has 4 divisors (see below), whose sum is σ = 6201152. Its totient is φ = 3100572.

The previous prime is 4650857. The next prime is 4650869. The reversal of 4650861 is 1680564.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 4650861 - 2² = 4650857 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4650869) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 775141 + ... + 775146.

It is an arithmetic number, because the mean of its divisors is an integer number (1550288).

Almost surely, 2^4650861 is an apocalyptic number.

It is an amenable number.

4650861 is a deficient number, since it is larger than the sum of its proper divisors (1550291).

4650861 is a wasteful number, since it uses less digits than its factorization.

4650861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1550290.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 4650861 is about 2156.5854956389. The cubic root of 4650861 is about 166.9210546341.

The spelling of 4650861 in words is "four million, six hundred fifty thousand, eight hundred sixty-one".