4049742 has 8 divisors (see below), whose sum is σ = 8099496. Its totient is φ = 1349912.

The previous prime is 4049737. The next prime is 4049743. The reversal of 4049742 is 2479404.

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

4049742 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4049743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 337473 + ... + 337484.

It is an arithmetic number, because the mean of its divisors is an integer number (1012437).

Almost surely, 2^4049742 is an apocalyptic number.

4049742 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

4049742 is a wasteful number, since it uses less digits than its factorization.

4049742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674962.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 4049742 is about 2012.3970781136. The cubic root of 4049742 is about 159.3954005412.

The spelling of 4049742 in words is "four million, forty-nine thousand, seven hundred forty-two".