6460540 has 12 divisors (see below), whose sum is σ = 13567176. Its totient is φ = 2584208.

The previous prime is 6460529. The next prime is 6460543. The reversal of 6460540 is 450646.

It is a happy number.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6460543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161494 + ... + 161533.

It is an arithmetic number, because the mean of its divisors is an integer number (1130598).

Almost surely, 2^6460540 is an apocalyptic number.

It is an amenable number.

6460540 is an abundant number, since it is smaller than the sum of its proper divisors (7106636).

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

6460540 is a wasteful number, since it uses less digits than its factorization.

6460540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323036 (or 323034 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 6460540 is about 2541.7592332871. The cubic root of 6460540 is about 186.2471374723.

The spelling of 6460540 in words is "six million, four hundred sixty thousand, five hundred forty".