4621789 has 4 divisors (see below), whose sum is σ = 4626720. Its totient is φ = 4616860.

The previous prime is 4621777. The next prime is 4621823. The reversal of 4621789 is 9871264.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 4621789 - 2⁹ = 4621277 is a prime.

It is a Duffinian number.

4621789 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4621289) 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, 577 + ... + 3094.

It is an arithmetic number, because the mean of its divisors is an integer number (1156680).

Almost surely, 2^4621789 is an apocalyptic number.

It is an amenable number.

4621789 is a deficient number, since it is larger than the sum of its proper divisors (4931).

4621789 is a wasteful number, since it uses less digits than its factorization.

4621789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4930.

The product of its digits is 24192, while the sum is 37.

The square root of 4621789 is about 2149.8346448041. The cubic root of 4621789 is about 166.5725259463.

The spelling of 4621789 in words is "four million, six hundred twenty-one thousand, seven hundred eighty-nine".