6831480 has 32 divisors (see below), whose sum is σ = 20494800. Its totient is φ = 1821696.

The previous prime is 6831479. The next prime is 6831491. The reversal of 6831480 is 841386.

It is a happy number.

6831480 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28345 + ... + 28584.

Almost surely, 2^6831480 is an apocalyptic number.

6831480 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6831480 is an abundant number, since it is smaller than the sum of its proper divisors (13663320).

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

6831480 is a wasteful number, since it uses less digits than its factorization.

6831480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56943 (or 56939 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 6831480 is about 2613.7100068676. The cubic root of 6831480 is about 189.7455504346.

The spelling of 6831480 in words is "six million, eight hundred thirty-one thousand, four hundred eighty".