1004407667 has 4 divisors (see below), whose sum is σ = 1004898960. Its totient is φ = 1003916376.

The previous prime is 1004407643. The next prime is 1004407669. The reversal of 1004407667 is 7667044001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7667044001 = 22511 ⋅340591.

It is a cyclic number.

It is not a de Polignac number, because 1004407667 - 2⁶ = 1004407603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1004407669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 242567 + ... + 246672.

It is an arithmetic number, because the mean of its divisors is an integer number (251224740).

Almost surely, 2^1004407667 is an apocalyptic number.

1004407667 is a deficient number, since it is larger than the sum of its proper divisors (491293).

1004407667 is an equidigital number, since it uses as much as digits as its factorization.

1004407667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491292.

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 1004407667 is about 31692.3913108494. The cubic root of 1004407667 is about 1001.4670689894.

The spelling of 1004407667 in words is "one billion, four million, four hundred seven thousand, six hundred sixty-seven".