4266840 has 96 divisors (see below), whose sum is σ = 13584240. Its totient is φ = 1071360.

The previous prime is 4266833. The next prime is 4266841. The reversal of 4266840 is 486624.

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 4⁷ + 2¹³ + 6⁴ + 6⁶ + 8 + 4¹¹ + 0 .

It is a junction number, because it is equal to n+sod(n) for n = 4266798 and 4266807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4266841) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 115302 + ... + 115338.

Almost surely, 2^4266840 is an apocalyptic number.

4266840 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 4266840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6792120).

4266840 is an abundant number, since it is smaller than the sum of its proper divisors (9317400).

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

4266840 is a wasteful number, since it uses less digits than its factorization.

4266840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113 (or 78 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 4266840 is about 2065.6330748708. The cubic root of 4266840 is about 162.1942495363.

The spelling of 4266840 in words is "four million, two hundred sixty-six thousand, eight hundred forty".