803949667 has 2 divisors, whose sum is σ = 803949668. Its totient is φ = 803949666.

The previous prime is 803949649. The next prime is 803949733. The reversal of 803949667 is 766949308.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-803949667 is a prime.

It is not a weakly prime, because it can be changed into another prime (803949637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 401974833 + 401974834.

It is an arithmetic number, because the mean of its divisors is an integer number (401974834).

Almost surely, 2^803949667 is an apocalyptic number.

803949667 is a deficient number, since it is larger than the sum of its proper divisors (1).

803949667 is an equidigital number, since it uses as much as digits as its factorization.

803949667 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1959552, while the sum is 52.

The square root of 803949667 is about 28354.0061896022. The cubic root of 803949667 is about 929.8429869433.

The spelling of 803949667 in words is "eight hundred three million, nine hundred forty-nine thousand, six hundred sixty-seven".