4289340 has 96 divisors (see below), whose sum is σ = 13434624. Its totient is φ = 1013760.

The previous prime is 4289317. The next prime is 4289347. The reversal of 4289340 is 439824.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a d-powerful number, because it can be written as 4⁵ + 2¹⁵ + 8 + 9⁵ + 3⁷ + 4¹¹ + 0 .

It is a junction number, because it is equal to n+sod(n) for n = 4289298 and 4289307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4289347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44172 + ... + 44268.

It is an arithmetic number, because the mean of its divisors is an integer number (139944).

Almost surely, 2^4289340 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4289340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6717312).

4289340 is an abundant number, since it is smaller than the sum of its proper divisors (9145284).

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

4289340 is a wasteful number, since it uses less digits than its factorization.

4289340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187 (or 185 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 4289340 is about 2071.0721860911. The cubic root of 4289340 is about 162.4788453724.

The spelling of 4289340 in words is "four million, two hundred eighty-nine thousand, three hundred forty".