6540814 has 24 divisors (see below), whose sum is σ = 11786688. Its totient is φ = 2711520.

The previous prime is 6540739. The next prime is 6540827. The reversal of 6540814 is 4180456.

6540814 = T₄₉₂ + T₄₉₃ + ... + T₅₄₀.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1962 + ... + 4114.

It is an arithmetic number, because the mean of its divisors is an integer number (491112).

Almost surely, 2^6540814 is an apocalyptic number.

6540814 is a deficient number, since it is larger than the sum of its proper divisors (5245874).

6540814 is a wasteful number, since it uses less digits than its factorization.

6540814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2200 (or 2193 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 6540814 is about 2557.5015151511. The cubic root of 6540814 is about 187.0153551977.

The spelling of 6540814 in words is "six million, five hundred forty thousand, eight hundred fourteen".