1598279 has 2 divisors, whose sum is σ = 1598280. Its totient is φ = 1598278.

The previous prime is 1598273. The next prime is 1598309. The reversal of 1598279 is 9728951.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1598279 - 2⁴ = 1598263 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1598273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 799139 + 799140.

It is an arithmetic number, because the mean of its divisors is an integer number (799140).

2^1598279 is an apocalyptic number.

1598279 is a deficient number, since it is larger than the sum of its proper divisors (1).

1598279 is an equidigital number, since it uses as much as digits as its factorization.

1598279 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45360, while the sum is 41.

The square root of 1598279 is about 1264.2305960544. The cubic root of 1598279 is about 116.9187591962.

It can be divided in two parts, 15982 and 79, that added together give a palindrome (16061).

The spelling of 1598279 in words is "one million, five hundred ninety-eight thousand, two hundred seventy-nine".