2401687 has 4 divisors (see below), whose sum is σ = 2407000. Its totient is φ = 2396376.

The previous prime is 2401673. The next prime is 2401703. The reversal of 2401687 is 7861042.

2401687 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2401687 - 2¹⁹ = 1877399 is a prime.

It is a super-3 number, since 3×2401687³ = 41559515567333849109, which contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2401667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1908 + ... + 2905.

It is an arithmetic number, because the mean of its divisors is an integer number (601750).

2^2401687 is an apocalyptic number.

2401687 is a deficient number, since it is larger than the sum of its proper divisors (5313).

2401687 is an equidigital number, since it uses as much as digits as its factorization.

2401687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5312.

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

The square root of 2401687 is about 1549.7377197449. The cubic root of 2401687 is about 133.9179530409.

The spelling of 2401687 in words is "two million, four hundred one thousand, six hundred eighty-seven".