4049967 has 8 divisors (see below), whose sum is σ = 5474224. Its totient is φ = 2662848.

The previous prime is 4049959. The next prime is 4049977. The reversal of 4049967 is 7699404.

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

It is not a de Polignac number, because 4049967 - 2³ = 4049959 is a prime.

It is a Duffinian number.

4049967 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4049977) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9028 + ... + 9465.

It is an arithmetic number, because the mean of its divisors is an integer number (684278).

Almost surely, 2^4049967 is an apocalyptic number.

4049967 is a deficient number, since it is larger than the sum of its proper divisors (1424257).

4049967 is a wasteful number, since it uses less digits than its factorization.

4049967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18569.

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 4049967 is about 2012.4529808172. The cubic root of 4049967 is about 159.3983524412.

The spelling of 4049967 in words is "four million, forty-nine thousand, nine hundred sixty-seven".