1407667 has 2 divisors, whose sum is σ = 1407668. Its totient is φ = 1407666.

The previous prime is 1407661. The next prime is 1407671. The reversal of 1407667 is 7667041.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1407667 is a prime.

It is not a weakly prime, because it can be changed into another prime (1407661) 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, 703833 + 703834.

It is an arithmetic number, because the mean of its divisors is an integer number (703834).

2^1407667 is an apocalyptic number.

1407667 is a deficient number, since it is larger than the sum of its proper divisors (1).

1407667 is an equidigital number, since it uses as much as digits as its factorization.

1407667 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 1407667 is about 1186.4514317915. The cubic root of 1407667 is about 112.0727365532.

The spelling of 1407667 in words is "one million, four hundred seven thousand, six hundred sixty-seven".