4003667 has 2 divisors, whose sum is σ = 4003668. Its totient is φ = 4003666.

The previous prime is 4003663. The next prime is 4003669. The reversal of 4003667 is 7663004.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4003667 - 2² = 4003663 is a prime.

Together with 4003669, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4003663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2001833 + 2001834.

It is an arithmetic number, because the mean of its divisors is an integer number (2001834).

Almost surely, 2^4003667 is an apocalyptic number.

4003667 is a deficient number, since it is larger than the sum of its proper divisors (1).

4003667 is an equidigital number, since it uses as much as digits as its factorization.

4003667 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 4003667 is about 2000.9165399886. The cubic root of 4003667 is about 158.7885987115.

The spelling of 4003667 in words is "four million, three thousand, six hundred sixty-seven".