4049287 has 4 divisors (see below), whose sum is σ = 4417416. Its totient is φ = 3681160.

The previous prime is 4049273. The next prime is 4049291. The reversal of 4049287 is 7829404.

It is a happy number.

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 4049287 - 2¹⁹ = 3524999 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4049207) 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, 184048 + ... + 184069.

It is an arithmetic number, because the mean of its divisors is an integer number (1104354).

Almost surely, 2^4049287 is an apocalyptic number.

4049287 is a deficient number, since it is larger than the sum of its proper divisors (368129).

4049287 is a wasteful number, since it uses less digits than its factorization.

4049287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368128.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 4049287 is about 2012.2840256783. The cubic root of 4049287 is about 159.3894308092.

The spelling of 4049287 in words is "four million, forty-nine thousand, two hundred eighty-seven".