706986407 has 2 divisors, whose sum is σ = 706986408. Its totient is φ = 706986406.

The previous prime is 706986377. The next prime is 706986461. The reversal of 706986407 is 704689607.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (704689607) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 706986407 - 2⁸ = 706986151 is a prime.

It is a Chen prime.

It is equal to p_36595874 and since 706986407 and 36595874 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (706986307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 353493203 + 353493204.

It is an arithmetic number, because the mean of its divisors is an integer number (353493204).

Almost surely, 2^706986407 is an apocalyptic number.

706986407 is a deficient number, since it is larger than the sum of its proper divisors (1).

706986407 is an equidigital number, since it uses as much as digits as its factorization.

706986407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 508032, while the sum is 47.

The square root of 706986407 is about 26589.2159906982. The cubic root of 706986407 is about 890.8481612809.

The spelling of 706986407 in words is "seven hundred six million, nine hundred eighty-six thousand, four hundred seven".