279607 has 2 divisors, whose sum is σ = 279608. Its totient is φ = 279606.

The previous prime is 279593. The next prime is 279613. The reversal of 279607 is 706972.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 279607 - 2⁷ = 279479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (279637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 139803 + 139804.

It is an arithmetic number, because the mean of its divisors is an integer number (139804).

2²⁷⁹⁶⁰⁷ is an apocalyptic number.

279607 is a deficient number, since it is larger than the sum of its proper divisors (1).

279607 is an equidigital number, since it uses as much as digits as its factorization.

279607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5292, while the sum is 31.

The square root of 279607 is about 528.7787817226. The cubic root of 279607 is about 65.3907040377.

The spelling of 279607 in words is "two hundred seventy-nine thousand, six hundred seven".