4049618 has 8 divisors (see below), whose sum is σ = 6283980. Its totient is φ = 1954960.

The previous prime is 4049609. The next prime is 4049707. The reversal of 4049618 is 8169404.

It can be written as a sum of positive squares in 2 ways, for example, as 3853369 + 196249 = 1963^2 + 443^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 34853 + ... + 34968.

Almost surely, 2^4049618 is an apocalyptic number.

4049618 is a deficient number, since it is larger than the sum of its proper divisors (2234362).

4049618 is a wasteful number, since it uses less digits than its factorization.

4049618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69852.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 4049618 is about 2012.3662688487. The cubic root of 4049618 is about 159.3937736695.

The spelling of 4049618 in words is "four million, forty-nine thousand, six hundred eighteen".