4366440 has 128 divisors (see below), whose sum is σ = 15724800. Its totient is φ = 1071360.

The previous prime is 4366421. The next prime is 4366469. The reversal of 4366440 is 446634.

It is a happy number.

It is a super-3 number, since 3×4366440³ (a number of 21 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13885 + ... + 14195.

It is an arithmetic number, because the mean of its divisors is an integer number (122850).

Almost surely, 2^4366440 is an apocalyptic number.

4366440 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 4366440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7862400).

4366440 is an abundant number, since it is smaller than the sum of its proper divisors (11358360).

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

4366440 is a wasteful number, since it uses less digits than its factorization.

4366440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344 (or 334 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 4366440 is about 2089.6028330762. The cubic root of 4366440 is about 163.4465779512.

The spelling of 4366440 in words is "four million, three hundred sixty-six thousand, four hundred forty".