2684406 has 8 divisors (see below), whose sum is σ = 5368824. Its totient is φ = 894800.

The previous prime is 2684401. The next prime is 2684431. The reversal of 2684406 is 6044862.

It is a sphenic number, since it is the product of 3 distinct primes.

2684406 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2684401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 223695 + ... + 223706.

It is an arithmetic number, because the mean of its divisors is an integer number (671103).

2^2684406 is an apocalyptic number.

2684406 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2684406 is a wasteful number, since it uses less digits than its factorization.

2684406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447406.

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 2684406 is about 1638.4156981670. The cubic root of 2684406 is about 138.9790697053.

The spelling of 2684406 in words is "two million, six hundred eighty-four thousand, four hundred six".