4405340 has 24 divisors (see below), whose sum is σ = 9738960. Its totient is φ = 1669248.

The previous prime is 4405333. The next prime is 4405343. The reversal of 4405340 is 435044.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4405343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5417 + ... + 6176.

It is an arithmetic number, because the mean of its divisors is an integer number (405790).

Almost surely, 2^4405340 is an apocalyptic number.

It is an amenable number.

4405340 is an abundant number, since it is smaller than the sum of its proper divisors (5333620).

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

4405340 is a wasteful number, since it uses less digits than its factorization.

4405340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11621 (or 11619 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 4405340 is about 2098.8901829300. The cubic root of 4405340 is about 163.9305178598.

The spelling of 4405340 in words is "four million, four hundred five thousand, three hundred forty".