349383493 has 4 divisors (see below), whose sum is σ = 354598240. Its totient is φ = 344168748.

The previous prime is 349383487. The next prime is 349383521. The reversal of 349383493 is 394383943.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-349383493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349383443) 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, 2607273 + ... + 2607406.

It is an arithmetic number, because the mean of its divisors is an integer number (88649560).

Almost surely, 2^349383493 is an apocalyptic number.

It is an amenable number.

349383493 is a deficient number, since it is larger than the sum of its proper divisors (5214747).

349383493 is an equidigital number, since it uses as much as digits as its factorization.

349383493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5214746.

The product of its digits is 839808, while the sum is 46.

The square root of 349383493 is about 18691.8028290478. The cubic root of 349383493 is about 704.3158482072.

The spelling of 349383493 in words is "three hundred forty-nine million, three hundred eighty-three thousand, four hundred ninety-three".