4049667 has 6 divisors (see below), whose sum is σ = 5849532. Its totient is φ = 2699772.

The previous prime is 4049609. The next prime is 4049707. The reversal of 4049667 is 7669404.

It is not a de Polignac number, because 4049667 - 2¹⁰ = 4048643 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4049167) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 224973 + ... + 224990.

It is an arithmetic number, because the mean of its divisors is an integer number (974922).

Almost surely, 2^4049667 is an apocalyptic number.

4049667 is a deficient number, since it is larger than the sum of its proper divisors (1799865).

4049667 is a wasteful number, since it uses less digits than its factorization.

4049667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449969 (or 449966 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 4049667 is about 2012.3784435339. The cubic root of 4049667 is about 159.3944165502.

The spelling of 4049667 in words is "four million, forty-nine thousand, six hundred sixty-seven".