4049738 has 16 divisors (see below), whose sum is σ = 7573824. Its totient is φ = 1577760.

The previous prime is 4049737. The next prime is 4049743. The reversal of 4049738 is 8379404.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4049698 and 4049707.

It is not an unprimeable number, because it can be changed into a prime (4049737) 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 7 ways as a sum of consecutive naturals, for example, 12995 + ... + 13302.

It is an arithmetic number, because the mean of its divisors is an integer number (473364).

Almost surely, 2^4049738 is an apocalyptic number.

4049738 is a deficient number, since it is larger than the sum of its proper divisors (3524086).

4049738 is a wasteful number, since it uses less digits than its factorization.

4049738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26317.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 4049738 is about 2012.3960842737. The cubic root of 4049738 is about 159.3953480620.

The spelling of 4049738 in words is "four million, forty-nine thousand, seven hundred thirty-eight".