4049586 has 12 divisors (see below), whose sum is σ = 8774142. Its totient is φ = 1349856.

The previous prime is 4049579. The next prime is 4049593. The reversal of 4049586 is 6859404.

It is an interprime number because it is at equal distance from previous prime (4049579) and next prime (4049593).

It can be written as a sum of positive squares in only one way, i.e., 2499561 + 1550025 = 1581^2 + 1245^2 .

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4049586.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 112471 + ... + 112506.

Almost surely, 2^4049586 is an apocalyptic number.

4049586 is an abundant number, since it is smaller than the sum of its proper divisors (4724556).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4049586 is a wasteful number, since it uses less digits than its factorization.

4049586 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224985 (or 224982 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 4049586 is about 2012.3583179941. The cubic root of 4049586 is about 159.3933538263.

The spelling of 4049586 in words is "four million, forty-nine thousand, five hundred eighty-six".