6842340 has 48 divisors (see below), whose sum is σ = 21288960. Its totient is φ = 1824480.

The previous prime is 6842333. The next prime is 6842357. The reversal of 6842340 is 432486.

6842340 = T₂₁ + T₂₂ + ... + T₃₄₄.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5796 + ... + 6875.

It is an arithmetic number, because the mean of its divisors is an integer number (443520).

Almost surely, 2^6842340 is an apocalyptic number.

6842340 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6842340 is an abundant number, since it is smaller than the sum of its proper divisors (14446620).

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

6842340 is a wasteful number, since it uses less digits than its factorization.

6842340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12689 (or 12681 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 6842340 is about 2615.7866885509. The cubic root of 6842340 is about 189.8460433346.

The spelling of 6842340 in words is "six million, eight hundred forty-two thousand, three hundred forty".