6899480 has 64 divisors (see below), whose sum is σ = 18204480. Its totient is φ = 2304000.

The previous prime is 6899461. The next prime is 6899483. The reversal of 6899480 is 849986.

6899480 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6899483) 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, 11180 + ... + 11780.

It is an arithmetic number, because the mean of its divisors is an integer number (284445).

Almost surely, 2^6899480 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 6899480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9102240).

6899480 is an abundant number, since it is smaller than the sum of its proper divisors (11305000).

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

6899480 is a wasteful number, since it uses less digits than its factorization.

6899480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660 (or 656 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 44.

The square root of 6899480 is about 2626.6861251394. The cubic root of 6899480 is about 190.3730436380.

Multiplying 6899480 by its sum of digits (44), we get a triangular number (303577120 = T₂₄₆₄₀).

The spelling of 6899480 in words is "six million, eight hundred ninety-nine thousand, four hundred eighty".