4640893 has 4 divisors (see below), whose sum is σ = 4683580. Its totient is φ = 4598208.

The previous prime is 4640869. The next prime is 4640929. The reversal of 4640893 is 3980464.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3790809 + 850084 = 1947^2 + 922^2 .

It is a cyclic number.

It is not a de Polignac number, because 4640893 - 2¹³ = 4632701 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 (4640803) 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, 21180 + ... + 21397.

It is an arithmetic number, because the mean of its divisors is an integer number (1170895).

Almost surely, 2^4640893 is an apocalyptic number.

It is an amenable number.

4640893 is a deficient number, since it is larger than the sum of its proper divisors (42687).

4640893 is a wasteful number, since it uses less digits than its factorization.

4640893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42686.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 4640893 is about 2154.2731953028. The cubic root of 4640893 is about 166.8017176489.

The spelling of 4640893 in words is "four million, six hundred forty thousand, eight hundred ninety-three".