349589659 has 4 divisors (see below), whose sum is σ = 349891416. Its totient is φ = 349287904.

The previous prime is 349589641. The next prime is 349589677. The reversal of 349589659 is 956985943.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 956985943 = 251 ⋅3812693.

It is an interprime number because it is at equal distance from previous prime (349589641) and next prime (349589677).

It is a cyclic number.

It is not a de Polignac number, because 349589659 - 2¹³ = 349581467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (349589629) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149134 + ... + 151459.

It is an arithmetic number, because the mean of its divisors is an integer number (87472854).

Almost surely, 2^349589659 is an apocalyptic number.

349589659 is a deficient number, since it is larger than the sum of its proper divisors (301757).

349589659 is a wasteful number, since it uses less digits than its factorization.

349589659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301756.

The product of its digits is 10497600, while the sum is 58.

The square root of 349589659 is about 18697.3168930732. The cubic root of 349589659 is about 704.4543564006.

The spelling of 349589659 in words is "three hundred forty-nine million, five hundred eighty-nine thousand, six hundred fifty-nine".