2406687 has 8 divisors (see below), whose sum is σ = 3254400. Its totient is φ = 1581720.

The previous prime is 2406683. The next prime is 2406689. The reversal of 2406687 is 7866042.

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

It is not a de Polignac number, because 2406687 - 2² = 2406683 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a d-powerful number, because it can be written as 2²¹ + 4⁹ + 0 + 6³ + 6⁶ + 8³ + 7 .

2406687 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2406683) 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, 5437 + ... + 5862.

It is an arithmetic number, because the mean of its divisors is an integer number (406800).

2^2406687 is an apocalyptic number.

2406687 is a deficient number, since it is larger than the sum of its proper divisors (847713).

2406687 is a wasteful number, since it uses less digits than its factorization.

2406687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11373.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 2406687 is about 1551.3500572082. The cubic root of 2406687 is about 134.0108218779.

The spelling of 2406687 in words is "two million, four hundred six thousand, six hundred eighty-seven".