6682406 has 4 divisors (see below), whose sum is σ = 10023612. Its totient is φ = 3341202.

The previous prime is 6682393. The next prime is 6682409. The reversal of 6682406 is 6042866.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6682409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1670600 + ... + 1670603.

It is an arithmetic number, because the mean of its divisors is an integer number (2505903).

Almost surely, 2^6682406 is an apocalyptic number.

6682406 is a deficient number, since it is larger than the sum of its proper divisors (3341206).

6682406 is a wasteful number, since it uses less digits than its factorization.

6682406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3341205.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 6682406 is about 2585.0350094341. The cubic root of 6682406 is about 188.3552021664.

The spelling of 6682406 in words is "six million, six hundred eighty-two thousand, four hundred six".