348004445 has 4 divisors (see below), whose sum is σ = 417605340. Its totient is φ = 278403552.

The previous prime is 348004439. The next prime is 348004477. The reversal of 348004445 is 544400843.

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

It can be written as a sum of positive squares in 2 ways, for example, as 203091001 + 144913444 = 14251^2 + 12038^2 .

It is a cyclic number.

It is not a de Polignac number, because 348004445 - 2⁴ = 348004429 is a prime.

It is a super-2 number, since 2×348004445² = 242214187479516050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34800440 + ... + 34800449.

It is an arithmetic number, because the mean of its divisors is an integer number (104401335).

Almost surely, 2^348004445 is an apocalyptic number.

It is an amenable number.

348004445 is a deficient number, since it is larger than the sum of its proper divisors (69600895).

348004445 is an equidigital number, since it uses as much as digits as its factorization.

348004445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69600894.

The product of its (nonzero) digits is 30720, while the sum is 32.

The square root of 348004445 is about 18654.8772443026. The cubic root of 348004445 is about 703.3879603630.

The spelling of 348004445 in words is "three hundred forty-eight million, four thousand, four hundred forty-five".