159398 has 4 divisors (see below), whose sum is σ = 239100. Its totient is φ = 79698.

The previous prime is 159389. The next prime is 159403. The reversal of 159398 is 893951.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39848 + ... + 39851.

It is an arithmetic number, because the mean of its divisors is an integer number (59775).

2¹⁵⁹³⁹⁸ is an apocalyptic number.

159398 is a deficient number, since it is larger than the sum of its proper divisors (79702).

159398 is an equidigital number, since it uses as much as digits as its factorization.

159398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79701.

The product of its digits is 9720, while the sum is 35.

The square root of 159398 is about 399.2467908450. The cubic root of 159398 is about 54.2201801191.

The spelling of 159398 in words is "one hundred fifty-nine thousand, three hundred ninety-eight".