2406287 has 4 divisors (see below), whose sum is σ = 2591400. Its totient is φ = 2221176.

The previous prime is 2406277. The next prime is 2406289. The reversal of 2406287 is 7826042.

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 2406287 - 2¹⁸ = 2144143 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 (2406289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92537 + ... + 92562.

It is an arithmetic number, because the mean of its divisors is an integer number (647850).

2^2406287 is an apocalyptic number.

2406287 is a deficient number, since it is larger than the sum of its proper divisors (185113).

2406287 is a wasteful number, since it uses less digits than its factorization.

2406287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185112.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 2406287 is about 1551.2211318829. The cubic root of 2406287 is about 134.0033971070.

The spelling of 2406287 in words is "two million, four hundred six thousand, two hundred eighty-seven".