6626455 has 16 divisors (see below), whose sum is σ = 8731008. Its totient is φ = 4788000.

The previous prime is 6626453. The next prime is 6626513. The reversal of 6626455 is 5546266.

It is not a de Polignac number, because 6626455 - 2¹ = 6626453 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6626455.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6626453) 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, 11320 + ... + 11890.

It is an arithmetic number, because the mean of its divisors is an integer number (545688).

Almost surely, 2^6626455 is an apocalyptic number.

6626455 is a deficient number, since it is larger than the sum of its proper divisors (2104553).

6626455 is a wasteful number, since it uses less digits than its factorization.

6626455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 798.

The product of its digits is 43200, while the sum is 34.

The square root of 6626455 is about 2574.1901639156. The cubic root of 6626455 is about 187.8280361279.

It can be divided in two parts, 662 and 6455, that added together give a palindrome (7117).

The spelling of 6626455 in words is "six million, six hundred twenty-six thousand, four hundred fifty-five".