348729049 has 4 divisors (see below), whose sum is σ = 356148864. Its totient is φ = 341309236.

The previous prime is 348729047. The next prime is 348729071. The reversal of 348729049 is 940927843.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 940927843 = 421 ⋅2234983.

It is a cyclic number.

It is not a de Polignac number, because 348729049 - 2¹ = 348729047 is a prime.

It is a super-2 number, since 2×348729049² = 243223899232888802, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (348729047) 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, 3709837 + ... + 3709930.

It is an arithmetic number, because the mean of its divisors is an integer number (89037216).

Almost surely, 2^348729049 is an apocalyptic number.

It is an amenable number.

348729049 is a deficient number, since it is larger than the sum of its proper divisors (7419815).

348729049 is an equidigital number, since it uses as much as digits as its factorization.

348729049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7419814.

The product of its (nonzero) digits is 435456, while the sum is 46.

The square root of 348729049 is about 18674.2884469529. The cubic root of 348729049 is about 703.8758127459.

The spelling of 348729049 in words is "three hundred forty-eight million, seven hundred twenty-nine thousand, forty-nine".