2684671 has 8 divisors (see below), whose sum is σ = 2977488. Its totient is φ = 2400000.

The previous prime is 2684663. The next prime is 2684701. The reversal of 2684671 is 1764862.

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

It is a 8-Lehmer number, since φ(2684671) divides (2684671-1)⁸.

It is a cyclic number.

It is not a de Polignac number, because 2684671 - 2³ = 2684663 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2684611) 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, 1330 + ... + 2671.

It is an arithmetic number, because the mean of its divisors is an integer number (372186).

2^2684671 is an apocalyptic number.

2684671 is a deficient number, since it is larger than the sum of its proper divisors (292817).

2684671 is a wasteful number, since it uses less digits than its factorization.

2684671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4073.

The product of its digits is 16128, while the sum is 34.

The square root of 2684671 is about 1638.4965669784. The cubic root of 2684671 is about 138.9836428141.

It can be divided in two parts, 2684 and 671, that multiplied together give a square (1800964 = 1342²).

The spelling of 2684671 in words is "two million, six hundred eighty-four thousand, six hundred seventy-one".