349012759 has 4 divisors (see below), whose sum is σ = 353217816. Its totient is φ = 344807704.

The previous prime is 349012747. The next prime is 349012801. The reversal of 349012759 is 957210943.

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

It is a cyclic number.

It is not a de Polignac number, because 349012759 - 2⁹ = 349012247 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349412759) 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, 2102404 + ... + 2102569.

It is an arithmetic number, because the mean of its divisors is an integer number (88304454).

Almost surely, 2^349012759 is an apocalyptic number.

349012759 is a deficient number, since it is larger than the sum of its proper divisors (4205057).

349012759 is an equidigital number, since it uses as much as digits as its factorization.

349012759 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4205056.

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 349012759 is about 18681.8831759542. The cubic root of 349012759 is about 704.0666413918.

The spelling of 349012759 in words is "three hundred forty-nine million, twelve thousand, seven hundred fifty-nine".