6334840 has 16 divisors (see below), whose sum is σ = 14253480. Its totient is φ = 2533920.

The previous prime is 6334837. The next prime is 6334841. The reversal of 6334840 is 484336.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 6334799 and 6334808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6334841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79146 + ... + 79225.

Almost surely, 2^6334840 is an apocalyptic number.

It is an amenable number.

6334840 is an abundant number, since it is smaller than the sum of its proper divisors (7918640).

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

6334840 is a wasteful number, since it uses less digits than its factorization.

6334840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158382 (or 158378 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 6334840 is about 2516.9108049353. The cubic root of 6334840 is about 185.0313070952.

The spelling of 6334840 in words is "six million, three hundred thirty-four thousand, eight hundred forty".