4457655 has 24 divisors (see below), whose sum is σ = 8182512. Its totient is φ = 2237184.

The previous prime is 4457639. The next prime is 4457657. The reversal of 4457655 is 5567544.

It is a happy number.

It is not a de Polignac number, because 4457655 - 2⁴ = 4457639 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4457657) 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, 2149 + ... + 3678.

It is an arithmetic number, because the mean of its divisors is an integer number (340938).

Almost surely, 2^4457655 is an apocalyptic number.

4457655 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

4457655 is a deficient number, since it is larger than the sum of its proper divisors (3724857).

4457655 is a wasteful number, since it uses less digits than its factorization.

4457655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5855 (or 5852 counting only the distinct ones).

The product of its digits is 84000, while the sum is 36.

The square root of 4457655 is about 2111.3159403557. The cubic root of 4457655 is about 164.5768773127.

It can be divided in two parts, 445 and 7655, that added together give a square (8100 = 90²).

The spelling of 4457655 in words is "four million, four hundred fifty-seven thousand, six hundred fifty-five".