6628495 has 16 divisors (see below), whose sum is σ = 8184960. Its totient is φ = 5151744.

The previous prime is 6628483. The next prime is 6628499. The reversal of 6628495 is 5948266.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 6628495 - 2⁷ = 6628367 is a prime.

It is a super-3 number, since 3×6628495³ (a number of 21 digits) contains 333 as substring.

6628495 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6628499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38229 + ... + 38401.

It is an arithmetic number, because the mean of its divisors is an integer number (511560).

Almost surely, 2^6628495 is an apocalyptic number.

6628495 is a deficient number, since it is larger than the sum of its proper divisors (1556465).

6628495 is a wasteful number, since it uses less digits than its factorization.

6628495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354.

The product of its digits is 103680, while the sum is 40.

The square root of 6628495 is about 2574.5863745464. The cubic root of 6628495 is about 187.8473088703.

It can be divided in two parts, 66 and 28495, that added together give a 4-th power (28561 = 13⁴).

The spelling of 6628495 in words is "six million, six hundred twenty-eight thousand, four hundred ninety-five".