6904340 has 24 divisors (see below), whose sum is σ = 14700840. Its totient is φ = 2723328.

The previous prime is 6904333. The next prime is 6904367. The reversal of 6904340 is 434096.

It can be written as a sum of positive squares in 4 ways, for example, as 8464 + 6895876 = 92^2 + 2626^2 .

It is an Ulam number.

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, 905 + ... + 3824.

It is an arithmetic number, because the mean of its divisors is an integer number (612535).

Almost surely, 2^6904340 is an apocalyptic number.

It is an amenable number.

6904340 is an abundant number, since it is smaller than the sum of its proper divisors (7796500).

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

6904340 is a wasteful number, since it uses less digits than its factorization.

6904340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4811 (or 4809 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 6904340 is about 2627.6110823332. The cubic root of 6904340 is about 190.4177327951.

The spelling of 6904340 in words is "six million, nine hundred four thousand, three hundred forty".