6809148 has 36 divisors (see below), whose sum is σ = 17454528. Its totient is φ = 2237760.

The previous prime is 6809141. The next prime is 6809149. The reversal of 6809148 is 8419086.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6809141) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1333 + ... + 3923.

It is an arithmetic number, because the mean of its divisors is an integer number (484848).

Almost surely, 2^6809148 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6809148, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8727264).

6809148 is an abundant number, since it is smaller than the sum of its proper divisors (10645380).

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

6809148 is a wasteful number, since it uses less digits than its factorization.

6809148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2674 (or 2669 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 6809148 is about 2609.4344214791. The cubic root of 6809148 is about 189.5385663274.

The spelling of 6809148 in words is "six million, eight hundred nine thousand, one hundred forty-eight".