4689390 has 48 divisors (see below), whose sum is σ = 11905488. Its totient is φ = 1181952.

The previous prime is 4689389. The next prime is 4689403. The reversal of 4689390 is 939864.

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10614 + ... + 11046.

It is an arithmetic number, because the mean of its divisors is an integer number (248031).

Almost surely, 2^4689390 is an apocalyptic number.

It is a pronic number, being equal to 2165×2166.

It is a practical number, because each smaller number is the sum of distinct divisors of 4689390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5952744).

4689390 is an abundant number, since it is smaller than the sum of its proper divisors (7216098).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4689390 is a wasteful number, since it uses less digits than its factorization.

4689390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481 (or 462 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 4689390 is about 2165.4999422766. The cubic root of 4689390 is about 167.3807274453.

The spelling of 4689390 in words is "four million, six hundred eighty-nine thousand, three hundred ninety".