6340653 has 32 divisors (see below), whose sum is σ = 10542720. Its totient is φ = 3732480.

The previous prime is 6340637. The next prime is 6340657. The reversal of 6340653 is 3560436.

6340653 is a `hidden beast` number, since 6 + 3 + 4 + 0 + 653 = 666.

It is not a de Polignac number, because 6340653 - 2⁴ = 6340637 is a prime.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6340657) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10701 + ... + 11277.

It is an arithmetic number, because the mean of its divisors is an integer number (329460).

Almost surely, 2^6340653 is an apocalyptic number.

It is an amenable number.

6340653 is a deficient number, since it is larger than the sum of its proper divisors (4202067).

6340653 is a wasteful number, since it uses less digits than its factorization.

6340653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634 (or 628 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The square root of 6340653 is about 2518.0653287792. The cubic root of 6340653 is about 185.0878861701.

The spelling of 6340653 in words is "six million, three hundred forty thousand, six hundred fifty-three".