6340642 has 48 divisors (see below), whose sum is σ = 12640320. Its totient is φ = 2328480.

The previous prime is 6340637. The next prime is 6340657. The reversal of 6340642 is 2460436.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32088 + ... + 32284.

It is an arithmetic number, because the mean of its divisors is an integer number (263340).

Almost surely, 2^6340642 is an apocalyptic number.

6340642 is a deficient number, since it is larger than the sum of its proper divisors (6299678).

6340642 is a wasteful number, since it uses less digits than its factorization.

6340642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247 (or 236 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 6340642 is about 2518.0631445617. The cubic root of 6340642 is about 185.0877791376.

The spelling of 6340642 in words is "six million, three hundred forty thousand, six hundred forty-two".