4405455 has 16 divisors (see below), whose sum is σ = 7832160. Its totient is φ = 2349504.

The previous prime is 4405447. The next prime is 4405459. The reversal of 4405455 is 5545044.

It is not a de Polignac number, because 4405455 - 2³ = 4405447 is a prime.

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

4405455 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4405459) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16182 + ... + 16451.

It is an arithmetic number, because the mean of its divisors is an integer number (489510).

Almost surely, 2^4405455 is an apocalyptic number.

4405455 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

4405455 is a deficient number, since it is larger than the sum of its proper divisors (3426705).

4405455 is a wasteful number, since it uses less digits than its factorization.

4405455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32647 (or 32641 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 27.

The square root of 4405455 is about 2098.9175781817. The cubic root of 4405455 is about 163.9319442988.

The spelling of 4405455 in words is "four million, four hundred five thousand, four hundred fifty-five".