4049842 has 16 divisors (see below), whose sum is σ = 6469632. Its totient is φ = 1894720.

The previous prime is 4049833. The next prime is 4049873. The reversal of 4049842 is 2489404.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10383 + ... + 10765.

It is an arithmetic number, because the mean of its divisors is an integer number (404352).

Almost surely, 2^4049842 is an apocalyptic number.

4049842 is a deficient number, since it is larger than the sum of its proper divisors (2419790).

4049842 is a wasteful number, since it uses less digits than its factorization.

4049842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713.

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 4049842 is about 2012.4219239513. The cubic root of 4049842 is about 159.3967125103.

The spelling of 4049842 in words is "four million, forty-nine thousand, eight hundred forty-two".