6909450 has 48 divisors (see below), whose sum is σ = 17397696. Its totient is φ = 1814400.

The previous prime is 6909449. The next prime is 6909457. The reversal of 6909450 is 549096.

It is a happy number.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (6909457) 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 23 ways as a sum of consecutive naturals, for example, 10635 + ... + 11265.

It is an arithmetic number, because the mean of its divisors is an integer number (362452).

Almost surely, 2^6909450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6909450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8698848).

6909450 is an abundant number, since it is smaller than the sum of its proper divisors (10488246).

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

6909450 is a wasteful number, since it uses less digits than its factorization.

6909450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 719 (or 714 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 6909450 is about 2628.5832686069. The cubic root of 6909450 is about 190.4646981658.

The spelling of 6909450 in words is "six million, nine hundred nine thousand, four hundred fifty".