4049864 has 32 divisors (see below), whose sum is σ = 9347520. Its totient is φ = 1601856.

The previous prime is 4049833. The next prime is 4049873. The reversal of 4049864 is 4689404.

It is an Ulam number.

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 7 ways as a sum of consecutive naturals, for example, 2054 + ... + 3509.

It is an arithmetic number, because the mean of its divisors is an integer number (292110).

Almost surely, 2^4049864 is an apocalyptic number.

It is an amenable number.

4049864 is an abundant number, since it is smaller than the sum of its proper divisors (5297656).

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

4049864 is a wasteful number, since it uses less digits than its factorization.

4049864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5589 (or 5585 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 4049864 is about 2012.4273899945. The cubic root of 4049864 is about 159.3970011406.

It can be divided in two parts, 4049 and 864, that added together give a cube (4913 = 17³).

The spelling of 4049864 in words is "four million, forty-nine thousand, eight hundred sixty-four".