346048021 has 8 divisors (see below), whose sum is σ = 380628288. Its totient is φ = 314587900.

The previous prime is 346048019. The next prime is 346048051. The reversal of 346048021 is 120840643.

It is not a de Polignac number, because 346048021 - 2¹ = 346048019 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 (346048051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128665 + ... + 131326.

It is an arithmetic number, because the mean of its divisors is an integer number (47578536).

Almost surely, 2^346048021 is an apocalyptic number.

It is an amenable number.

346048021 is a deficient number, since it is larger than the sum of its proper divisors (34580267).

346048021 is an equidigital number, since it uses as much as digits as its factorization.

346048021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260024 (or 260002 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 346048021 is about 18602.3660054306. The cubic root of 346048021 is about 702.0673719103.

Adding to 346048021 its reverse (120840643), we get a palindrome (466888664).

The spelling of 346048021 in words is "three hundred forty-six million, forty-eight thousand, twenty-one".