2684407 has 8 divisors (see below), whose sum is σ = 2942352. Its totient is φ = 2428800.

The previous prime is 2684401. The next prime is 2684431. The reversal of 2684407 is 7044862.

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

It is not a de Polignac number, because 2684407 - 2¹¹ = 2682359 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 2¹⁷ + 6⁸ + 8⁵ + 4⁵ + 4⁷ + 0 + 7⁷ .

It is a Duffinian 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 7 ways as a sum of consecutive naturals, for example, 2607 + ... + 3487.

It is an arithmetic number, because the mean of its divisors is an integer number (367794).

2^2684407 is an apocalyptic number.

2684407 is a deficient number, since it is larger than the sum of its proper divisors (257945).

2684407 is a wasteful number, since it uses less digits than its factorization.

2684407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1169.

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 2684407 is about 1638.4160033398. The cubic root of 2684407 is about 138.9790869629.

The spelling of 2684407 in words is "two million, six hundred eighty-four thousand, four hundred seven".