4246640 has 40 divisors (see below), whose sum is σ = 9984480. Its totient is φ = 1679616.

The previous prime is 4246609. The next prime is 4246679. The reversal of 4246640 is 466424.

It is a tau number, because it is divible by the number of its divisors (40).

It is a d-powerful number, because it can be written as 4⁴ + 2⁵ + 4⁶ + 6⁴ + 6⁶ + 4¹¹ + 0 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8477 + ... + 8963.

It is an arithmetic number, because the mean of its divisors is an integer number (249612).

Almost surely, 2^4246640 is an apocalyptic number.

4246640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4246640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4992240).

4246640 is an abundant number, since it is smaller than the sum of its proper divisors (5737840).

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

4246640 is a wasteful number, since it uses less digits than its factorization.

4246640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609 (or 603 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 4246640 is about 2060.7377319785. The cubic root of 4246640 is about 161.9378921601.

The spelling of 4246640 in words is "four million, two hundred forty-six thousand, six hundred forty".