2404287 has 6 divisors (see below), whose sum is σ = 3472872. Its totient is φ = 1602852.

The previous prime is 2404253. The next prime is 2404289. The reversal of 2404287 is 7824042.

It is not a de Polignac number, because 2404287 - 2⁷ = 2404159 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2404287.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2404289) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 133563 + ... + 133580.

It is an arithmetic number, because the mean of its divisors is an integer number (578812).

2^2404287 is an apocalyptic number.

2404287 is a deficient number, since it is larger than the sum of its proper divisors (1068585).

2404287 is a wasteful number, since it uses less digits than its factorization.

2404287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267149 (or 267146 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 27.

The square root of 2404287 is about 1550.5763444603. The cubic root of 2404287 is about 133.9662609050.

The spelling of 2404287 in words is "two million, four hundred four thousand, two hundred eighty-seven".