6629340 has 48 divisors (see below), whose sum is σ = 18674208. Its totient is φ = 1757184.

The previous prime is 6629333. The next prime is 6629351. The reversal of 6629340 is 439266.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 6629298 and 6629307.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18604 + ... + 18956.

It is an arithmetic number, because the mean of its divisors is an integer number (389046).

Almost surely, 2^6629340 is an apocalyptic number.

6629340 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6629340 is an abundant number, since it is smaller than the sum of its proper divisors (12044868).

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

6629340 is a wasteful number, since it uses less digits than its factorization.

6629340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678 (or 676 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 6629340 is about 2574.7504733469. The cubic root of 6629340 is about 187.8552907843.

The spelling of 6629340 in words is "six million, six hundred twenty-nine thousand, three hundred forty".