2041687 has 8 divisors (see below), whose sum is σ = 2204640. Its totient is φ = 1884960.

The previous prime is 2041681. The next prime is 2041693. The reversal of 2041687 is 7861402.

It is an interprime number because it is at equal distance from previous prime (2041681) and next prime (2041693).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2041687 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2041681) 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, 864 + ... + 2197.

It is an arithmetic number, because the mean of its divisors is an integer number (275580).

2^2041687 is an apocalyptic number.

2041687 is a deficient number, since it is larger than the sum of its proper divisors (162953).

2041687 is a wasteful number, since it uses less digits than its factorization.

2041687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3113.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 2041687 is about 1428.8761317903. The cubic root of 2041687 is about 126.8614646598.

It can be divided in two parts, 20416 and 87, that added together give a triangular number (20503 = T₂₀₂).

The spelling of 2041687 in words is "two million, forty-one thousand, six hundred eighty-seven".