4040667 has 24 divisors (see below), whose sum is σ = 6115824. Its totient is φ = 2568384.

The previous prime is 4040653. The next prime is 4040669. The reversal of 4040667 is 7660404.

It is not a de Polignac number, because 4040667 - 2⁸ = 4040411 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4040667.

It is not an unprimeable number, because it can be changed into a prime (4040669) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20413 + ... + 20609.

It is an arithmetic number, because the mean of its divisors is an integer number (254826).

Almost surely, 2^4040667 is an apocalyptic number.

4040667 is a deficient number, since it is larger than the sum of its proper divisors (2075157).

4040667 is a wasteful number, since it uses less digits than its factorization.

4040667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299 (or 296 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 4040667 is about 2010.1410398278. The cubic root of 4040667 is about 159.2762493215.

The spelling of 4040667 in words is "four million, forty thousand, six hundred sixty-seven".