4640061 has 4 divisors (see below), whose sum is σ = 6186752. Its totient is φ = 3093372.

The previous prime is 4640057. The next prime is 4640081. The reversal of 4640061 is 1600464.

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 4640061 - 2² = 4640057 is a prime.

It is a D-number.

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 (4640081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 773341 + ... + 773346.

It is an arithmetic number, because the mean of its divisors is an integer number (1546688).

Almost surely, 2^4640061 is an apocalyptic number.

It is an amenable number.

4640061 is a deficient number, since it is larger than the sum of its proper divisors (1546691).

4640061 is a wasteful number, since it uses less digits than its factorization.

4640061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1546690.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 4640061 is about 2154.0800820768. The cubic root of 4640061 is about 166.7917492138.

The spelling of 4640061 in words is "four million, six hundred forty thousand, sixty-one".